Why the hell would you use the things for, otherwise?
In truth, I end up doing half of my peeing in the yard. Way too much trouble to go in the house, take off the dirty shoes, plod upstairs, etc.
Besides, it impresses the dogs.
Be fearful when others are greedy, and greedy when others are fearful. Just another form of "buy low, sell high" for those who have trouble with things. This rule is not universal. Do not buy a 1973 Pinto because everyone else is afraid of it.