Mastodon is absolutely thriving. I get you want to be a contrarian but the fediverse is loaded with people who left X and never went back.
Can confirm, I'm one of those people. I mean I had an account on a Mastodon instance before that, but it became my primary social platform when Twitter got taken over.
non sequitur. The point is that "everyone" left Twitter is nonsense; no one said that no one did. Mastodon and Bluesky are alternatives, but Twitter is still dominant despite all the Nazis there.
This doesn't look like a particularly thriving platform: https://mastodon-analytics.com/#:~:text=Mastodon%20Active%20...