Earlier quoted context omitted.
HN works very well, because it's about as far from free speech as you can get on the internet, short of dang personally approving every post.
I think most posts are short lived so they drop off quickly and people move on to new content. I think a lot of folks miss a lot of activity that way. I know I miss a bunch. And if you miss the zeitgeist it doesn’t matter what you say cause nobody will reply. The twitter retweet constantly amplifies and the tweets are centered around an account vs a post. Reddit should behave similarly but I think subreddit topics st…
Of course, that also soft-forces everyone to move on. Once a thread is a day or two old, you can still reply, but the person you've replied to will probably not read it.