It's also misunderstanding that livestock are not just a simple closed cycle of "soil + sun + water = grass => cow". Modern industrial ag is a chain of fossil

It's also misunderstanding that livestock are not just a simple closed cycle of "soil + sun + water = grass => cow". Modern industrial ag is a chain of fossil fuel inputs via fertilizer to grow soy and corn quickly as possible, to maximize output over what land would naturally support. The vast majority of meat raised in the US is from industrial consolidated feed lots.