Out of the loop: What’s the Doreen incident?

The instance at exploding-heads.com got defederated from by a lot of instances and among them the largest one lemmy.world
It happened due to them allowing hatespeech like “tranny faggot”. Top post now is complaining about how the rest is sensitive libs and in the same breath call “Joe Biden is a pedo”. They’re throwing a tantrum about how they’re getting cancelled because they can’t smell the shit under their own shoe.