p.s. By the way, a lot of the servers on https://joinmastodon.org/servers say "get on waitlist" but this phrasing is misleading.

A lot of these servers don't have a waitlist at all and will accept you pretty quickly, within a few hours in some cases. It's just the server admin is screening out spammers by switching on the "why do you want to join?" form, because spambots find this form harder to cope with.