What's with all the Twitter boycotts?

[GMDino]

New to Twitter:  Don't you dare say you are on any other social media sites!

Specifically, we will remove accounts created solely for the purpose of promoting other social platforms and content that contains links or usernames for the following platforms: Facebook, Instagram, Mastodon, Truth Social, Tribel, Nostr and Post.

— Twitter Support (@TwitterSupport) December 18, 2022