I don't fault him at all. If you're in the entertainment industry (and want to stay in it), a Twitter presence is pretty much required. Online posting isn't just a hobby, it's part of your job, and Twitter is where the audience is.
It is basically impossible at this point to know. Elon loves giving people who give him shit blue check marks because he thinks it's an insult to them.
Says the dude actively using twitter. GTFOO of twitter people.
Centralization sucks. I know a lot of people who are currently dropping BlueSky and migrating back to Twitter because it was just too much of a loss for them unfortunately.