Same thing that happens on HN - the comment gets ruthlessly downvoted and on some sunbreddits even outright deleted by mods. Three things most commonly discouraged: &quot;+1&quot; &#x2F; &quot;this&quot; posts, typical Reddit jokes, and image macros. Often the latter are redirected to separate subreddits; i.e. for many &#x2F;r&#x2F;Something you&#x27;ll have a corresponding &#x2F;r&#x2F;SomethingMemes, where the fans of laughing at pictures can vent out.<p>Different subs maintain different seriousness &quot;set points&quot; - for instance, to compare the two I hang out the most on, &#x2F;r&#x2F;SpaceX is almost HN-level serious. Stupid and low-effort comments get deleted, and you may get banned along with them. OTOH, &#x2F;r&#x2F;KerbalSpaceProgram is half-serious, half-silly (just like the game). It will upvote a joke, especially if it&#x27;s good, but offensive and low-effort stuff gets downvoted to hell and then some. The community there likes to get some laugh, but is otherwise super-serious and super-kind.<p>One of the interesting things about Reddit is how easy it is to create a new subreddit. It&#x27;s just few clicks away, and anyone can do that. So one of the effective ways of getting rid of particular kinds of comments and submissions is to just tell people to create a new sub for it. Like the &#x2F;r&#x2F;SomethingMemes I mentioned. &#x2F;r&#x2F;SpaceX has &#x2F;r&#x2F;HighStakesSpaceX, because people there like to bet way too much. &#x2F;r&#x2F;KerbalSpaceProgram has &#x2F;r&#x2F;HerbalSpaceProgram, because one day a popular YouTube video has spawned an unstoppable torrent of &quot;dank&quot; memes.<p>(OTOH if a subreddit goes beyond hopeless, people who long for higher levels of discourse sometimes restart it as &#x2F;r&#x2F;Serious... or &#x2F;r&#x2F;True..., and iterate as needed.).