> "Yep, they are subjective. That's what I want. I want the HN mods to curate the content based on those guidelines. It's what makes this site worth coming to."

Agreed. If you try to make something more prescriptive then you end up with a massive increase in bureaucracy as you try to categorise every kind of content and every type of way of presenting that content. Effectively you turn moderators into lawyers and judges.