That's actually called out specifically in the guidelines, even. If your account is less than a year old, please don't submit comments saying that HN is turnin

That's actually called out specifically in the guidelines, even. If your account is less than a year old, please don't submit comments saying that HN is turning into Reddit. (It's a common semi-noob illusion.) I don't think being defensive of quality is a bad thing though. It's often unnecessary, but I'd say that's better than being under-cautious.