I think you're using an overly broad brush. For example, you still feel it's worthwhile to comment sometimes which implies that there are bastions of useful co

I think you're using an overly broad brush. For example, you still feel it's worthwhile to comment sometimes which implies that there are bastions of useful content, which you don't list. I'm sure we disagree on things, which limits the extent of groupthink. Beyond that, there's the relative difference between HN and places like 4chan. Nuance is helpful.