The systems by which we produce meat are intentional. Just because the people who set them up and benefit from them don’t care doesn’t mean these farms can exist outside morality.
Inflicting pain on an animal to save its life is directly related to your point. Raising animals in objectively painful and squalid conditions so they can be slaughtered is not at all the same.
You are equating saving the life of a human to the torture and slaughtering of an animals. They are not analogous