Are you kidding? He loves the attention, and we are only talking about Twitter because Elon bought it rather than some boring guy.
I still don't see the impending death of Twitter. Where is the evidence that it is going down the tubes? PG will be back, because everything bad about Twitter is even worse on Mastodon -- instead of one narcissistic Napoleon running things like Twitter, Mastodon has hundreds of them, and they are even less accountable than Elon.
If you want to kill Twitter, stopping giving it free publicity would be a good start. But you can't help yourselves, so it survives and thrives on your outrage.