I sometimes like to explain exactly why I don't think something should be on HN (if it's not spam or of really bad quality) - simple one liners like "This shoul

I sometimes like to explain exactly why I don't think something should be on HN (if it's not spam or of really bad quality) - simple one liners like "This shouldn't be on HN, flagged." aren't helpful at all. Be constructive! I think feedback helps at least some submitters tremendously.