@deadsuperhero @gruber On the comparison with email I think it's a good parallel: every serious email provider has an extensive blocklist against domains sending spam/phishing/etc mail, much in the same way every serious fedi instance have an extensive blocklist against bad actor instances.
A lot of Mastodon admins are simply viewing Meta as a lot of email providers are viewing Jeremy Jaynes or Davis Wolfgang Hawke: they shouldn't be allowed on the service because of their documented history.
@Mabande @gruber That's an interesting point! I was more focused on the aspect that self-hosting email is kind of a nightmare in 2023, due to a handful of corporations basically dominating the space.