Are we considering this more humane because the creatures are smaller? You're still trapping hundreds of living beings into a tiny container. Don't get me wro

Are we considering this more humane because the creatures are smaller? You're still trapping hundreds of living beings into a tiny container. Don't get me wrong -- I eat meat and consider it ultimately a natural part of life. I just don't understand why flies are somehow okay to trap and confine, but cows aren't.