That is a good heuristic, but the hard part for people is evaluating foods at the periphery of that heuristic like chocolate and tofu and nut milk and canola oi

That is a good heuristic, but the hard part for people is evaluating foods at the periphery of that heuristic like chocolate and tofu and nut milk and canola oil which improve human health outcomes. That said, and I'll quickly grant: most people in the west aren't making the mistake, say, eating too much seitan and nut milks and unsweetened 80% chocolate (all processed foods), so I won't nitpick too much.