Maybe they (HN) could allow one BugMeNot-style account that is known not to belong to anyone, has aggressive anti-spam filtering, maybe requires a captcha to po

Maybe they (HN) could allow one BugMeNot-style account that is known not to belong to anyone, has aggressive anti-spam filtering, maybe requires a captcha to post, and only posts dead comments? Then when people who really don't want to join the community have something useful to contribute we can vouch for the individual comments. I guess this would be a tiny bit like the old sites with the Anonymous Coward "username".