Good riddance if it's true, but I doubt that Xitter can afford to lose hundreds of millions of users. Sounds more like Musk blowing off some fetid gas.
As to why more politicians and journalists don't leave, I suspect it's because they put engagement above ethical values.
In the meantime, I am trapped on the hellsite because my suspension makes it logistically impossible to delete the account. If anyone knows a way round this, I would be grateful for the information.