I don't know, I just ask the questions...
That's just as gross as humans drinking cows' milk
Whats gross about it?
Everything.
Cow's milk is made for one reason only. To make baby cows big and fat as fast as possible. Maybe that's why we have so many fat Americans.
If drinking the mammary secretions of animals isn't gross then why don't you drink rat's milk, or possum milk, or lion, tiger or elephant milk?
So, you're one of those.
If drinking milk was so bad for us, why is it that you'll see mothers of all species willing to nurse babies from other species and more than that, the babies of those other species actually thriving from doing so.
Milk is natures way of providing nutrition.
As for fat, fat is nature's best and healthiest source of energy. Fat provides 9 calories of energy per gram whereas carbohydrates and protein only provide 4.
So, I'm pretty sure that people don't drink the milk from many animals out of a psychological phobia of doing os, along with the fact the milk of some species is likely to taste bad.
So, maybe you should update (or learn) the definition of gross.