[0-_-0]

Since macronutrients are interchangeable to some degree, they could have written an article called "We don’t need nearly as much fat as we consume" or "We don’t need nearly as much carbs as we consume" as well.

[Ambolia]

Seeing the obesity crisis in the UK, you could just write "We don't need nearly as much food as we consume".

[0-_-0]

Sure, but that wouldn't make it to HN!