lol, i see i found a vegan
i keep a cat and i treat him very well, in fact i rescued him from the street and he had terrible gingevitis, ear infection and sinus infection, and 700 euros later he's a ...
also, all of the points i made in the OP about why we became mostly hairless was correct - because we started out in hot environments - savannah and jungles, and because we ate primarily meat, needed to power the brain which is needed to be a predator (all predators have bigger brains)