Mastodon's big selling point during the big move away from Twitter/X was the absence of The Algorithm, it was supposed to be a friendly, geeky thing, free from monetised outrage. But I've seen it for myself, there's an undercurrent of Twitter's holier-than-thou outrage, it's just from different sources: part exclusionary crusty geeks who've always used Mastodon ('you use Windows???'), part exclusionary leftists ('you're with the Judean People's Front????').
Perhaps it's not always The Algorithm that's to blame.