Donations on the crowdfunding site to people and fire relief efforts have exceeded those for all natural disasters worldwide last year.

Mr. Musk has fallen out with prominent right-wing Americans who say they are worried that their agenda may be sidelined in favor of his own — and that he is willing to silence them on X.

He said in an interview that he had used the visas for skilled workers “many times.” But he has mainly used visas for unskilled workers like housekeepers.

A fierce dispute erupted in the president-elect’s camp between immigration hard-liners and tech industry leaders including Elon Musk.