Who? Probably, oh, anyone who doesn't agree with the dangerous alt-right? You think a flood of liars and nazis is a good look?

It does matter, and that doesn't bring in to question ownership of the fediverse or anything, that's a conflation of two different ideas entirely. However, as with gab, the fediverse can and does exert it's "ownership" of it's space and can seemingly come together to push the worst of the trash out the door.

Who came up with Lemmy's slur filter? Some leftist murican?