When a user asked Buterin if Musk should censor speech he disliked, the Ethereum co-founder claimed that Musk was "actively tweaking" algorithms to boost and deboost content based on pretty arbitrary criteria. "As long as that power lever exists, I'd prefer it be used (without increasing its scope) to boost niceness instead of boosting ragebait."

The European Commission alleged that X violated the Digital Services Act, a sweeping 2022 law mandating companies set up policies and procedures to remove posts deemed illegal.