I've sympathy for those barely getting by that need the extra dollars Twitter can bring, but they above all have no excuse for not ALSO hustling away on Mastodon - sure, just 10% as big, but that's like selling to Canada as well as the States, smart sellers do that.
As for those who are comfortable: that would be all the rich Twitter celebrities like Chrissy Teigen, who's been 'brave' about all kinds of stances, but not where it cuts into her millions. Not even a Mastodon echo.