Related:
"Do not post content that encourages, glorifies, incites, or calls for violence or physical harm against an individual or a group of people"
https://www.reddithelp.com/hc/en-us/articles/360043513151Some subreddits featuring violent pornography _were_ removed. See for example these:
https://old.reddit.com/r/AbusePorn2 ("This community was banned for violating Reddit’s rule against promoting hate.")
https://old.reddit.com/r/strugglefucking ("This subreddit was banned due to a violation of Reddit’s rules against posting violent content.")
Meanwhile, these still exist along with /r/painal:
https://old.reddit.com/r/Painhttps://old.reddit.com/r/Roughanalhttps://old.reddit.com/r/DegradingHoles(this isn't reddit)