@gruber makes this as scary as it should sound.
https://daringfireball.net/linked/2023/05/02/npr-musk-handle
This is why even if you DON’T intend to have your own site or blog and not “own your own content” at LEAST have your own DOMAIN.
Verification (#Mastodon) and/or usernames (#BlueSky) should be table stakes for any mass social platform. #Twitter