It's a real contribution. The parent poster is (humorously) making the point that if we really wanted to, we could switch to e.g. goat's milk because farming co

It's a real contribution. The parent poster is (humorously) making the point that if we really wanted to, we could switch to e.g. goat's milk because farming cows is particularly damaging to the environment. I understand where the pearl-clutching is coming from but I think you've overreacted to the word "nipple."