(1) Blocking only serves to isolate Meta users, as they may find they can connect with some friends but not others. It would be like trying to isolate your email server from gmail because you disliked Alphabet as a company.

(2) Convincing people to join an alternative server is unlikely as well. Millions of individuals still using AOL despite other email services offering a superior experience. Once connected with their friends, people lack the motivation to migrate to a "better" platform.