Possibly.
But probably the biggest problem for westerners like me is that we know so little about nutrition, despite studying it for decades. Turns out living organisms are extremely complicated.
In our intellectual tradition we take that little knowledge and use it as if it were a solid and complete set of facts.
Truly: A little knowledge is a dangerous thing
It's quite hard to eat 3500 calories of steak.
It's really easy to eat 3500 calories of snack chips.