Like what? Poop? That would be gross right? Dog poop on your floor, not acceptable even if you clean it up and sterilize, and scrub the floor. It's just easier to take them for a walk, let them poop on someone's else's lawn, pick it up"most people", as that's not my property. The reason some people are upset is because this is exactly what they do and don't want to admit its wrong. It's become the norm and is accepted.
Again your assuming what someone else does or reasoning behind what they do.
I raised Boxers for 23 years had 3 at a time for at least 15 years. I never once took them to the park so they could have bowel movements there, I took them there so they got exercise and we could play. I picked up their droppings...