[haunter]

Forums don’t have algorithmic front page and upvote/downvote system

You can’t bump a thread to the top of HN so everyone sees it

[moffkalast]

No, people just keep reposting the same shit over and over instead. But the end effect is very similar, dang even links to old posts almost every time.

[whateveracct]

I don't think that quite makes it social media though.