The solution isn't simple, because the problem is that we have bodies that are evolutionarily designed for a world of extreme calorie scarcity that are living in a world of extreme calorie abundance.
Our deep genetic firmware hasn't been programmed to deal with this kind of extremely unnatural corner case, and we're collectively breaking because of it.
We just take 3 meals a day for granted without asking where this movement really came out of. Hint: agriculture/produce won't do well if people only eat 1 meal a day.
Eating one/two meals a day is something that nobody talks about as much as this other food conscious movements like gluten, carbs, now keto. All of this seems driven at pushing demand towards certain sector.
Our deep genetic firmware hasn't been programmed to deal with this kind of extremely unnatural corner case, and we're collectively breaking because of it.