It's rarely questioned in our society that satiety comes down to food volume (or weight). It's what we mean by "high calorie" food: high kcal per gram. I agree

It's rarely questioned in our society that satiety comes down to food volume (or weight). It's what we mean by "high calorie" food: high kcal per gram. I agree with you, but a mind-bending consequence is that there's no such thing as high calorie food.