Most online communities fall apart when they hit a critical size. I only visit a few small topical reddits now, like Space and SpaceX. Those are decent. HN is

Most online communities fall apart when they hit a critical size. I only visit a few small topical reddits now, like Space and SpaceX. Those are decent. HN is YC's kingdom. I expect a certain bias here and factor that in, but it's remained interesting and has avoided melting down into a total echo chamber or dumb meme cascade.