This is ludicrous. Are they going to manually review every account now looking for social media links?? http://www.techmeme.com/221218/p5#a221218p5
Twitter will remove accounts made to “promote other social platforms” and content that has links or usernames to Facebook, Mastodon, and others

From @twittersupport. View the full context on Techmeme.

Techmeme

@caseynewton A quite foul move by Musk. Voice and exit are both necessary signaling means for when organizations get off track.

I suppose it sort of makes sense in a short-termist game-theory way, but it certainly calls into question Musk's claim of a good faith desire to "help humanity".