Earlier quoted context omitted.
And this speed is making both them and the land sick — cows are meant to eat grass, not the grains used to fatten them quickly. Do also keep in mind that there are wide swaths of land which can usefully be occupied by ruminants that cannot be farmed without piping in almost all the water and dumping fertilizer on it. Such marginal land is counted as arable so as to further attack animal husbandry.
> And this speed is making both them and the land sick — cows are meant to eat grass, not the grains used to fatten them quickly. Substitute grass for vegetables and I think this applies to humans as well.
No, we evolved to consume prepared food, including meat. Our mouths, jaws, and digestive system have been coevolving for past few tens-to-hundreds of thousands of years with our diets and food preparation methods. Certainly, vegetables have not been a major source of calories for humans in many tens of thousands of years now (because they don’t have a lot of calories in them in the first place, but also because they are only available in narrow window of the growing season.