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.

The Trump ally has flooded X with posts criticizing European politicians, causing a diplomatic conundrum for the continent’s leaders.

As if having the ear of incoming U.S. president Donald Trump weren't enough, tech billionaire Elon Musk has been on a tear this week, trashing European politicians on both the left and right, and using posts on his social media platform,