I don’t like the clickbait title at all – Mastodon’s clearly going to survive, at least for the forseeable future, and it wouldn’t surprise me if it outlives Xitter.
Still, Mastodon is struggling; most of the people who checkd it out in the November 2022 surge (or the smaller June 2023 surge) didn’t stick around, and numbers have been steadily declining for the last year. The author makes some good points, and some of the comments are excellent.
You can put in their handle, with the domain they’ve signed up with
If you’re looking for more wider fuzzy search for that; mastodon 4.4 is gonna implement independent search services, meaning that search will be expanded beyond one server, and you can find new accounts on other servers just by keywords