I mean, it was never “in favor”; as far as I know, it had always been a slur
I can’t see how OP was “failed by moderation”; I assume the instance they were on had a zero tolerance policy for such language, and honestly someone with a blog on the internet that had a twitter account probably should have known that that word was a slur and still is
maybe they’ll realize why they got banned and figure out that “jokes” like that aren’t tolerable, but with how they reacted here I don’t know