Many many reasons. There are incredibly smart people on X who are writing and sharing their thoughts on things. There's nothing comparable to that on the internet.

It may be ok for you if you live in an area with highly concentrated talent but for me I'm pretty isolated so it makes a tremendous difference.

The fact that the old system would ban people for completely absurd reasons (including covid "misinformation" that all turned out to be true, but not exclusively that) and one thing Musk did do is put a stop to some of that

I'm fully willing to listen to all the arguments that he's actually a horrible person but I don't see how people feel that part of it wasn't necessary to fix

Virtue signaling political incorrectness is the only reason I can imagine people promoting Twitter right now.

dril