During this past Christmas Twitch "meta" I could not even link clips to friends because it would bring up "related" popular clips of what was basically soft core porn. It goes beyond what we want to watch. It affects how I can use and interact with the service to other people.
Much easier said than done. A million camgirls all trying to boost their engagement are going to find ways to game your algorithm faster than you are going to find ways to de-boost them. It’s the same fundamental reason Google is overrun with SEO spam and content farms that they can’t simply “de-boost”.