Here's why: your observation crystalized my thinking on one of the strawmen in the OP: rather than having Censors/Editors/whoever posting a value judgement, maybe a better idea (for comment; I haven't married this one, either) would be that they should post

Please read How should I spend my votes? -- General Voting Guidelines before voting.

or, perhaps even better, incorporate that -- prominently (red & bold, anyone?) -- in relevant page headers and stress it in the sitedocs (for the benefit of those who actually have the courtesy and take the trouble to read them). Some, of course, will still ignore the admonition (but I'm a little light on belief in the perfectibility of humankind today, anyway), as they ignore the hint below text-entry boxes,

"Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!"