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Wikipedia’s ‘Supreme Court’ tackles alleged conspiracy to distort articles on Holocaust
(JTA) — When a pair of professors earlier this month published a paper accusing a group of Wikipedia editors from Poland of revising articles to distort the history of the Holocaust, their research went viral.
Most academic articles are seen by dozens or hundreds of people at best. This one, published in The Journal of Holocaust Research, hit more than 27,000 pageviews within weeks.
The paper’s reach was fueled by its analysis, unprecedented in the academic literature on Wikipedia, and its finding that a dedicated group has for some 15 years manipulated a source of information used by millions in ways that lay blame for the Holocaust on Jews and absolve Poland of almost any responsibility for its record of antisemitism.
The paper caught the eye of not just scholars and journalists but of the people in charge of resolving disputes over editing on crowd-sourced Wikipedia, the seventh-most popular website on the internet and one that is seen as the last bastion of shared truth in an ever-fracturing online environment.
Typically, disputes among Wikipedia editors are resolved through community consensus mechanisms, but occasionally those mechanisms fail and allegations are brought to Wikipedia’s Arbitration Committee, a panel of elected editors known as Wikipedia’s Supreme Court.
“Wikipedia is not exactly democratic but anarchistic in a way that actively discourages any sort of an authority coming to solve a dispute,” said Joe Roe, a veteran Wikipedia editor who served on the committee in 2019 and 2020. “The Arbitration Committee is a very limited exception.”
In this case, something especially unusual happened. The Arbitration Committee, or ArbCom, decided to look into the allegations without receiving a formal request to do so. No one could recall the committee taking such a step in its nearly two decades of existence.
“A myopic decision here could result in untold numbers of people being fed a distorted view of Jewish/WWII history, which could have very real consequences given the recent amplification of violently antisemitic rhetoric by mainstream public figures,” wrote a user named SamX in a public post about the case. “ArbCom needs to get this right.”
The article that triggered the opening of the case was published under the title, “Wikipedia’s Intentional Distortion of the History of the Holocaust.” It accused 11 current and former editors of intentional distortions to numerous articles relating to the Holocaust in Poland. The paper referred to the editors by their usernames but also provided their real names if they had publicly identified themselves on Wikipedia message boards.
“Due to this group’s zealous handiwork, Wikipedia’s articles on the Holocaust in Poland minimize Polish antisemitism, exaggerate the Poles’ role in saving Jews, insinuate that most Jews supported Communism and conspired with Communists to betray Poles, blame Jews for their own persecution, and inflate Jewish collaboration with the Nazis,” wrote co-authors Jan Grabowski, a historian at the University of Ottawa, and Shira Klein of the history department at Chapman University in Orange, California.
Normally, mistakes on Wikipedia, whether intentional or not, can be quickly fixed by experienced editors who deploy a set of rules regarding sourcing and style. But in this case, the alleged distortionists know Wikipedia’s mechanisms well enough to at least appear to follow the rules and are willing to spend time arguing with other editors who step in to intervene. It becomes harder to get to the truth because they work to discredit established historians and prop up fringe voices to create the semblance of a real-world debate over historical events, according to the article.
In one of the dozens of examples documented in the study, the alleged distortionists have tried to pass the self-published work of an antisemitic Polish writer named Ewa Kurek as a reliable source. Kurek has said that COVID-19 is a cover for an attempt by Jews to take over Europe and that Jews enjoyed life in Nazi ghettos. An editor named Volunteer Marek argued in a backstage conversation among editors that Kurek should be cited as any “mainstream scholar” would be. And another editor, working on an article about a 1941 massacre of Jews in Poland, added Kurek’s claim that minimized the number of Jewish victims and exonerated Polish perpetrators.
Jewish school children pose for a portrait in the 1930s in Wizna, near Jedwabne, Poland. New research revealed that members of the Polish community killed their Jewish neighbors on July 10, 1941 during World War ll despite previous claims that Nazi Germans were entirely responsible. Polish President Aleksander Kwasniewski apologized for the massacre of hundreds of Jews by their neighbors during ceremonies marking the 60th anniversary of the murders. (Laski Diffusion/Getty Images)
One thing the research didn’t discuss is what motivates these editors to invest so much time and effort into distorting Wikipedia. Klein said the omission was deliberate.
“We’ve been very careful not to make any assumptions on what drives them or what their politics are,” Klein said. “Instead, we’ve tried to focus just on what they’ve done, which is in the written record. And as we say in the article, we don’t see any evidence of them being tied to a government or being in the service of anyone else.”
Klein’s disclaimer obliquely points to a larger challenge around the historical record of the Holocaust in Poland. A central tenet of the country’s ruling Law and Justice party is defending the image of ethnic Poles and imposing nationalist narratives on the past, especially the period of World War II. While history shows that many Poles participated in the persecution of Jews, Poland’s nationalist right insists on portraying Poles only as victims or heroes.
In 2018, the Polish government passed what’s known as the Polish Holocaust Law, which makes it illegal to slander the Polish nation or blame the country for Nazi crimes. In practice, the law has served to censor scholars and chill debate.
Grabowski, Klein’s co-author on the paper, has for years sparred with the nationalist right over Poland’s historical memory. He sued a Polish group that accused him of publishing lies about Polish history in 2018, and in 2021 was ordered by a Polish court to apologize for his research before an appeals court ultimately overturned the order.
Domestically, Poland’s ultranationalists have largely won the war over the public discourse, which has freed them to focus on the global scene, where English-language Wikipedia is regarded as a major battlefront.
In this atmosphere, even something as basic as the background of Yiddish novelist and Nobel prize laureate Isaac Bashevis Singer can become fodder for debate. For years, Singer was at the center of a fight between two editors over whether Singer was best described in the first line of his Wikipedia article as a Jewish or Polish author. The eventual compromise — “Polish-born Jewish American” — lasted for almost two years until Feb. 23 when someone again dropped the “Jewish.”
The Wikipedia editors now being accused of distorting articles to further nationalist narratives have rejected the allegations against them.
“I have not engaged in any ‘Holocaust distortion,’ on Wikipedia or anywhere else. I am not a ‘right-wing Polish nationalist,’” said Volunteer Marek in a public comment on a Wikipedia message board that was endorsed by at least one other alleged distortionist. “I am not part of some nefarious ‘Polish conspiracy’ on Wikipedia which seeks to manipulate content. All of these accusations are ridiculous and absurd. They are particularly disgusting and vile since they go against everything I believe in.”
In the debate about how to handle the case, dozens of arbitrators and ordinary Wikipedia editors — all volunteers — spoke of the situation on a Wikipedia message board as something close to an existential crisis for Wikipedia. Not only was the website accused of being used to spread antisemitic propaganda, but it was also alleged to be vulnerable to large-scale manipulation by a small group of bad-faith actors.
There is little confidence in the community that a solution is within reach. By its own rules, the committee isn’t supposed to decide on disputed information. It’s more of a disciplinary body that evaluates the behavior of Wikipedia editors and can ultimately decide whether to restrict their editing privileges or ban them outright.
But figuring out if the accused editors have indeed evaded safeguards and undermined Wikipedia’s integrity would seem to require that the arbitrators become experts on the history of the Holocaust in Poland.
The decision to take up the case serves to acknowledge that the committee failed to solve the problem when it last considered complaints about editing related to the Holocaust in Poland about two years ago. That was during Roe’s tenure and he says the committee was distracted by another dispute at the time.
“It can’t be escalated further than it already has in our mechanisms,” Roe said. “The best we can do is what’s currently happening now — just put it through those mechanisms again, and hope that something better will come out on the other side.”
In explaining why the committee must nevertheless take on the case, an arbitrator who goes by Wugapodes commented that the only other choice is to kick the can down the road.
“This will not be an easy issue to resolve, but the committee was not convened to solve easy issues,” Wugapodes wrote, pointing out that the timing is right given the attention and involvement of outside experts and editors. “We can leverage these resources now or wait for this decade-long problem to get still worse.”
By a vote of nine to one on Feb. 13, the committee decided to open the case. The proceedings, which start with an evidence-gathering phase, are expected to last up to six weeks, after which they can decide to ban and restrict offending editors.
Beyond that, an unorthodox last resort option is also available. Wikipedia’s so-called Supreme Court could ask for help from an even higher authority: the Wikimedia Foundation, a nonprofit that owns the encyclopedia. The foundation intervened in 2021 in what some see as a similar scenario of a far-right takeover on the Croatian-language Wikipedia, hiring an outside expert to disentangle the web of obfuscation and banning a set of editors.
Roe said that his tenure on the committee in 2019 and 2020, which featured related complaints about the editing of articles on the Holocaust in Poland, helped lead him to believe that Wikipedia should embrace change, at least when it comes to controversial political topics.
“I would like to see these difficult and politically charged content problems be referred to a new body made up of external experts, and that we don’t insist on doing everything internally among the community volunteers,” Roe said.
But he acknowledged that such a scenario is unlikely to result from the Poland dispute.
“It’s not a popular view and it kind of goes against the general idea of Wikipedia,” he said.
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The post Wikipedia’s ‘Supreme Court’ tackles alleged conspiracy to distort articles on Holocaust appeared first on Jewish Telegraphic Agency.
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This isn’t Mark Ruffalo’s first antisemitism controversy
Mark Ruffalo is in the spotlight after facing accusations of antisemitism for his criticism of the Ellison family — but this isn’t the first time the actor has been caught in controversy on this topic.
Last Friday, the actor connected the merger of David Ellison’s Paramount with Warner Bros. Discovery to Israel’s war with Hamas. He called Larry Ellison an “oligarch” due to his financial backing of his son David’s merger using wealth earned from his time at Oracle, which created technology used by the Israeli military. His statements immediately drew criticism, with Paramount leaders accusing Ruffalo of invoking antisemitic tropes.
Ruffalo, a four-time Academy Awards nominee best known for playing the Hulk in Marvel movies, has long been an outspoken advocate for progressive causes — including the Palestinian one.
In 2014, Ruffalo made his first public statements about the Israeli-Palestinian conflict, posting criticisms of Israel’s Operation Protective Edge military operation against Hamas.
He criticized Israel for striking Gaza’s el-Wafa hospital, writing that, “Sorry, I thought blowing up Hospitals [sic] was something that all human beings could agree was off limits.”
Ruffalo also questioned the claim that Hamas used civilians as “human shields.”
“Do you honestly think these people, these fellow human beings, would use their own children as shields?” he wrote. “Use your heart.”
Around the same time, Ruffalo also disputed whether Hamas had actually kidnapped three Israeli teenagers, one of the incidents that sparked the 2014 hostilities — an incident that the terrorist group later admitted to.
Ruffalo received criticism for his posts, but stood by his perspective. “Empathizing w/ Gaza does NOT make me anti-Semitic, nor pro-Hamas or anti-Israel,” he wrote in 2014. “It makes me human.”
As clashes between Israel and Hamas sprouted up again in 2021, Ruffalo once again took to Twitter to denounce Israel, likening the situation to South Africa and calling “for sanctions to free Palestinians.”
Soon after, Ruffalo wrote another tweet apologizing for his rhetoric.
“I have reflected & wanted to apologize for posts during the recent Israel/Hamas fighting that suggested Israel is committing ‘genocide,’” he wrote. “It’s not accurate, it’s inflammatory, disrespectful & is being used to justify antisemitism here & abroad. Now is the time to avoid hyperbole.”
Following the Hamas-led Oct. 7 attack in 2023 and Israel’s military response, Ruffalo returned to pro-Palestinian activism. Less than two weeks after the attack, on Oct. 20, Ruffalo — along with more than 50 others creatives through the organization Artists for Ceasefire — sent a letter to President Joe Biden demanding an immediate ceasefire in Gaza. At the following Academy awards, Ruffalo wore a pin from the organization.
In Sept. 2025, Ruffalo, and along with more than 5,500 others in the film industry, signed a letter pledging to boycott “Israeli film institutions” that they believed were “implicated in genocide and apartheid against the Palestinian people.”
Ruffalo has publicly aligned himself with the Boycott Divest Sanction (BDS) movement, calling to “boycott, divest, sanction and prosecute” Israel, on a podcast with Mehdi Hasan. During the same interview, he said that he has stopped talking to former friends who don’t agree with his perspective on the issue.
“I can’t talk to them anymore,” he said. “They’re either trying to convince me that the Palestinian people are all terrorists and they all deserve to die, or in the same breath will tell me that they’re actually human shields, and they deserve to die because they’re human shields.”
Now, after making statements connecting the Paramount-Discovery merger to Israeli military technology, Ruffalo has been accused of antisemitism by numerous Jewish organizations including the Anti-Defamation League and the Simon Weisenthal Center.
The actor has now taken to social media to denounce the accusations of antisemitism, calling the accusation “appalling and fundamentally dishonest,” and saying that criticizing “the actions of the Israeli prime minister, a military technology contract, or the executives who supply it is not the same as criticising Jewish people.”
He added, “Everything I know about acting, activism, and humanism has been profoundly shaped by the Jewish friends, colleagues, and loved ones who have been integral and family throughout every point of my life.”
The post This isn’t Mark Ruffalo’s first antisemitism controversy appeared first on The Forward.
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American synagogues are spending more than ever on security. How much is enough?
At Temple Israel in Bloomfield, Michigan, which was attacked in March by a gunman, getting ready for the High Holidays this year means more than preparing for crowds of worshippers.
The synagogue is spending millions of dollars on security upgrades, including a new gatehouse, artificial intelligence technology and physical and ballistic hardening of its building.
“There are major changes coming,” Rabbi Josh Bennett of Temple Israel said in an interview. “I think that extends then to many of the other places of worship in town, and then, by extension, the entire Jewish community around the country.”
But as congregations install barriers, hire guards and tighten access to their buildings, Jewish leaders are struggling to balance budgets and keep their synagogues welcoming.
Bennett fears fortressing the Jewish community through ever-expanding security upgrades is “unsustainable at all levels,” from the emotional to the financial.
The Secure Community Network, a Jewish security organization that provides threat intelligence and safety training to Jewish institutions across the country, told the Forward that the American Jewish community now spends between $765 million and $1 billion annually on security and safety.
CEO Michael G. Masters said that figure is dramatically higher than it was several years ago, when it was the exception, rather than the rule, for a Jewish institution to have a security plan, let alone layers of cameras, guards, and coordination with law enforcement.
The spending reflects what Mitchell Silber, CEO of the Community Security Initiative, a New York-focused Jewish counterterrorism and security organization, described as “the most complicated threat picture that the Jewish community in the United States has ever faced.”
According to the FBI, Jews were the victims of nearly two-thirds of religion-based hate crimes in the United States in 2025. And these days, Silber’s analysts are tracking threats from white supremacists and neo-Nazis, Islamist extremists and actors inspired by or connected to Iran and Hezbollah, and left-wing violence connected to the Israeli-Palestinian conflict.
“That’s taking a tremendous toll just financially on our Jewish institutions,” Silber said.
The growing costs have pushed Temple Israel to lobby Congress in support of the bipartisan Jewish American Security Act, which would increase federal funding available to protect Jewish institutions. Last week, members of Congress, including the bill’s co-sponsor, Rep. John James of Michigan, visited the Temple to see the security updates.
When congregants help screen for danger
But as congregations pour money into keeping potential attackers out, another question looms: At what point does protecting a synagogue begin to change the experience for those coming in?
“The more you build, there’s, I think, an inverse proportion to how safe people will actually feel when they’re coming in,” said Bennett, whose congregants have been emotionally rattled since the March attack, during which a gunman rammed a truck loaded with gasoline and fireworks into the synagogue. “Nobody wants to walk into a building where you walk by loaded semi-automatic machine guns.”
A person arriving at a synagogue for the first time could have harmful intentions. They could also be new to town, exploring Judaism, or simply looking for a place to spend Shabbat. Distinguishing between those is an important challenge.
Unlike an outside guard, a longtime congregant may know who normally attends services, which unfamiliar face is expected for a wedding or bar mitzvah, and when someone’s behavior genuinely seems out of place. That’s why organizations like SCN and the Community Security Service train community members to serve as additional protection at their own institutions.
In 2026 alone, SCN has conducted close to 1,000 in-person safety trainings, reaching roughly 25,000 people. For the High Holidays, they are offering Zoom Webinars for Jewish institutions across the country, as synagogue-goers who ordinarily recognize most people walking through their doors may suddenly welcome hundreds of unfamiliar worshippers.
Preparation was put to the test at Central Synagogue in Manhattan last Friday, when a man stormed the temple, punched a congregant, and headbutted and spat on a security guard while directing a racial slur at him.
Silber described the response as a “tactical success.”
“Their security team had drilled. Their clergy and staff had drilled. And when the moment came, within less than 60 seconds, they had this individual moved outside of the sanctuary.”
At Temple Israel, the congregation has been fundraising specifically for security. After the March attack, Bennett said, some congregants would like to see “a moat and a full army around our buildings.”
He understands the impulse. But he worries there may be no end to what a synagogue can spend in pursuit of safety.
“How do you do this with the knowledge that it’s financially unsustainable?” Bennett said. “This is not the way we should be spending dollars.”
The post American synagogues are spending more than ever on security. How much is enough? appeared first on The Forward.
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The far right is more dangerous to Jews than the far left. A historian explains why.
When Jewish leaders speak out these days, it’s often to blast the anti-Israel actions of one Democratic Socialists of America politician or another. Given all the attention — and the millions of dollars raised within the Jewish community to help defeat these candidates — you’d think the greatest existential threat to American Jews was coming from the left.
But a new book by historian Steven Ross is here to tell you: You’d be mistaken.
“What you’ve seen seeping in on the far left is more anti-Israel and some antisemitism,” Ross told me in a phone interview. “But here’s the thing: the left has never called for death to people, the right has.”
Right-wing extremist groups have spent 80 years calling for the death and deportation of Jews and minorities — and sometimes acting upon those calls. The far left, whatever its failures on antisemitism, has not. And unlike in previous years, the far right today has found the two things it lacked: a single leader to unite behind, and a technology to reach millions.
In The Secret War Against Hate: American Resistance to Antisemitism and White Supremacy, Ross, a professor of history at University of Southern California, tracks the continuous, noxious activity of hate groups in the United States from the end of World War II to the present day — and the brave and secretive men and women who sought to thwart them.
The book reads like a great suspense novel, except, unfortunately, it’s nonfiction. And its conclusion — spoiler alert — is that the threat is only growing more dangerous.
Uncannily, in his research, Ross found that Jewish leaders predicted as much — in 1945.
Even before the Allies declared victory in Europe, leaders of the Anti-Defamation League, American Jewish Committee and the Anti-Nazi League, who had launched undercover operations to infiltrate and disrupt hate groups, had come to a disturbing conclusion. They could defeat any hate group, even the Ku Klux Klan, unless the disparate groups could one day “communicate on an instantaneous basis,” and unless the far right figured out a way to make it into one of the two mainstream political parties.
“Here we are,” Ross said. “Everything has come true.” Social media has enabled hate groups to communicate and organize at scale, and President Donald Trump’s pardon of the Jan. 6 rioters — direct ideological descendants of the postwar far right, Ross says — was but one example of the Republican flirtation with extremist and violent groups.
Descendants of the ‘Betrayed Generation’
In the early 1940s, Jewish leaders also predicted that when the war ended, antisemitism and racism would increase — despite Americans having just fought a savage battle against prejudice and fascism.
The Greatest Generation also birthed what Ross calls “the Betrayed Generation,” men and women who returned to a changed America in which liberals, Blacks and Jews were mobilizing and upwardly mobile.
“The Founding Fathers, they insisted, had created a nation based on white Christian rule and they would not allow traitors or people of color to change that,” Ross writes.
Groups like the American Nazi Party, the Columbians and the National States Rights Party warned that Jews were behind “race suicide,” plotting to replace white people with non-white immigrants. They accused Jews of being secret Communists and undermining the cause of “America First.”
“I will solve the Jewish problem once and for all,” James Madole, founder of the fascist National Renaissance Party, told a boisterous rally in Manhattan’s Yorkville neighborhood in February 1953. “I will finish the job that Hitler started.”
During this period, there were an estimated 3,114 right-wing organizations and periodicals that reached a combined membership of over 10 million Americans, says Ross.
The groups carried out a series of bombings against synagogues and Black churches that were, Ross writes, “unrelenting, unpredictable, and unnerving.”
How to fight back
J. Edgar Hoover’s FBI, which should have been tracking these groups, was far more concerned with persecuting potential communists. So the ADL, AJC and the ANL fielded undercover agents to infiltrate and disrupt these groups, often at the risk of their lives.
One of them, a 19-year-old Columbia University student named William Goring, rose to the head of the National Renaissance Party’s leadership. In a memo to his handlers, Goring described the far-right members he encountered as “the failures, the lonely,” who feel “abandoned by their government and gain a strong internal feeling of camaraderie” from the far-right parties.
“To ease their lack of self-respect they make up excuses and find scapegoats. Some fix upon the Jews, others on the Blacks,” Goring wrote.
By the 1970s, this spy network as well as internal strife had weakened these hate groups, their memberships dwindling to hundreds.
Jewish groups “thought they had won the battle against hate,” wrote Ross, and turned their attention to the causes of civil rights and Israel.
But the ideology and organizations festered and regrouped, manifesting in the anti-government militia movement, the white supremacist march in Charlottesville and the Jan. 6 riots. Between 2008 and 2016, the number of militia and anti-government groups rose to 1,400.
Media personalities with millions of followers, like Tucker Carlson and Candace Owens, push warnings against shadowy Jewish influence and the “great replacement theory,” the new term for “race suicide.”
The bombings that wracked Jewish communities in the postwar period have declined, Ross acknowledged. What’s replaced them is a constant stream of hate pushed into people’s social media feeds. Social media has made it harder to infiltrate and disrupt hate networks, while making it easier to constantly find new recruits.
“You don’t have to bodily harm someone,” he said. “Creating a life where they’re afraid, whether it’s Muslim, Jew, immigrant — that’s terrorism, that’s domestic terrorism.”
Meanwhile, Trump and others in his administration openly engage with Holocaust deniers and antisemites. In Florida’s Republican primary races earlier this month, two candidates, Dan Bilzerian and Jake Lang, spouted raw antisemitism. Bilzerian, who lost to a Jewish congressman, had asked his 30 million online followers if Hitler “was a good person.”
Ross, whose father survived the Warsaw Ghetto and Dachau and whose mother survived Auschwitz, said he believes the answer is better education, but that’s “long term.”
I asked him what the short-term solution is.
“Take two people to the polls,” he said. “Get two people in their young 20s who aren’t used to voting, and get them out to the polls. That will change things right now.”
Bilzerian lost badly, but he’s not going away, and neither is the ability to infect minds and harvest hate. The question isn’t whether the far right is more dangerous — Ross has answered that. It’s whether we’re paying attention.
The post The far right is more dangerous to Jews than the far left. A historian explains why. appeared first on The Forward.

