> I think you're underestimating just how hungry people feel

Possible. Or people have no clue what hunger really is.

But still the advice didn’t say “eat every time you are hungry”. It said “A good way to start is to eat only when feeling hungry.” That is actually a prohibition. The advice is equivalent with: do not eat when you are not hungry.

It also in the very sentence admits that this is not the only rule to be followed. That’s the “A good way to start”. Meaning that there are other things to be aware of. One of them being what you eat as you mention.

Thanks for explaining my comment clearly. It was frustrating to see people reading it in isolation and drawing the wrong conclusions either unintentionally or willfully.