PANews reported on January 1 that according to Cointelegraph, Ethereum co-founder Vitalik Buterin said in a post on December 31 that while he admired Musk's willingness to fight for freedom of speech, he called on the Tesla CEO to "lower the tone of his speech" and not to use extreme words, and called on Musk not to "abuse" social media censorship. Vitalik Buterin's tweet was in response to Musk's profanity-filled post X, which defended the rights of immigrants holding H1B visas to work in American companies.

Musk's public support for top US companies hiring foreign skilled workers sparked outrage among conservatives on X, who believe US employment conditions are increasingly unfavorable to native citizens. Some conservatives then accused Musk of censorship after his social media platform allegedly removed premium features for accounts that criticized his stance on the H1B visa debate. "It's easy to respect free speech when we approve of it, but it's hard to respect it when we think it's bad," said Vitalik Buterin, who warned Musk to be more careful about his tone and make sure his power on X benefits humanity.