- keeping his account active, poised to return immediately (but still, definitely leaving)
- maybe posting on Twitter occasionally to point people to ongoing resources (but still, definitely leaving)
- highlighting how moderation on Mastodon varies by instance, which pressures certain groups to return to Twitter (the place he's definitely left, remember?)
If Elon's alt-right, you're alt-left, and I don't believe either is true. Your posts are also not unpaid contributions (or if they are, then they were back when Twitter was public, too, but somehow that was okay). It takes some serious arrogance and mental gymnastics to even arrive at such a conclusion. I'd pay you to NOT post.
Shut up already, you're several weeks late to this particular bandwagon anyway.