I'm utterly convinced fascism as a term is only employed by western supremacists at this point.
Euros invade the global south: YAY
Germany invades western europe: BOO
It looks like you have to be an instance admin.
From what I gather, instance admins file endorsements & censorships on other instances, listing their reasons.
It's nice that it's democratized, but it's not nice that one person can put you on the censor list.