I despise this term. You don't know people's motivations. These may be genuinely important issues that they are using their audience and reach to magnify and promote. And if you've had the luck/misfortune of becoming famous, should you not use the attention and reach you wield to focus on issues that you think are important in society?
> Validation checkmarks will now cost $20/month.
A) They're not for validation. They're to combat fraud and misinformation through impersonation.
B) This is far from a done deal. All we know is Elon in his infinite wisdom is considering this, thinking - like you - that this is a pure ego play for people. He still may pull the trigger and destroy the very concept. Or the people at Twitter that he doesn't fire and don't quit change his mind.
It's a terrible idea, and I - an Elon skeptic - believe he's smart enough to figure that out eventually.