That's fair. Feels like a "you know it when you see it" kind of thing. I feel guarded against the inevitable health zealots who need a much simpler model to proselytize against, and therefore bin everything into good or bad. I can get on board with "Eat food. Not too much. Mostly plants." I also really like, "try to have a variety of colours on your plate" (not sure where I heard this one from).