One interesting datapoint that I think distinguishes HN from even well-curated subreddits: the culture actively discourages humor-only comments. Making a though

One interesting datapoint that I think distinguishes HN from even well-curated subreddits: the culture actively discourages humor-only comments. Making a thoughtful post that happens to contain a pun or a comic exaggeration is fine; but cluttering up comments with one-line jokes, off-topic cheap shots, etc, that contain no real information, tends to be aggressively downvoted.