X has banned the account of a outstanding critic after he revealed information that he claims uncovered the location’s embrace of the far-right after Elon Musk’s takeover final yr.

Travis Brown, a software program developer based mostly in Berlin, alleges his account was first suspended on July 1 this yr, a number of months after his information shaped the idea of New York Times and CNN reviews claiming that far-right influencers featured prominently amongst Twitter Blue subscribers, and the way 1000’s of beforehand banned X accounts, together with members of the far-right, have been being reinstated on the location.

On Tuesday, Brown introduced his resolution to problem his account’s suspension in court docket in Berlin. “This is a matter of principle,” he says. “I think it is important that platforms like Twitter are not allowed to shut down criticism arbitrarily.” X didn’t reply to repeated requests for remark.

X has been accused of trying to silence its critics a number of occasions since Elon Musk acquired the platform in October 2022. In July, X sued the Center for Countering Digital Hate (CCDH) after the nonprofit revealed analysis suggesting that problematic content material on the platform, comparable to hate and disinformation, was changing into extra widespread. In December 2022, X suspended the account ElonJet, which tracked the motion of Musk’s personal jet.

“Elon Musk likes to pretend he cares about free speech, but this case exposes that commitment as little more than window dressing,” claims Tiemo Wölken, a German politician who represents the Socialists and Democrats group within the European Parliament. “Someone who silences critics and researchers by kicking them off their platform isn’t a free speech advocate.”

Brown says he labored for X for one yr, leaving in 2015 when his group was shut down. In 2022, he acquired a grant from the Open Knowledge Foundation, a nonprofit, to construct software program that might allow him to hint the historical past of accounts participating in disinformation and hate speech. That instrument, which targeted on the corporate then generally known as Twitter, enabled him to determine which social media accounts posting about Russia’s invasion of Ukraine had a historical past of posting spam. But it additionally meant he may determine, nearly in actual time, which beforehand banned accounts have been being reinstated on X, he says.

“After Musk took over, you did see a very strong turn toward the far right, in terms of which accounts were being amplified, which accounts were building followings more quickly,” he claims.