People who see something wrong with your question/project/link tend to be more motivated to comment, which I think explains some of what you're talking about.

People who see something wrong with your question/project/link tend to be more motivated to comment, which I think explains some of what you're talking about. The other way may be the way you use HN. There's a connection between distraction and anxiety/depression; many of us, of course, use HN as a distraction from something else we ought to be doing.