It is important to me that ALLAH has created everything perfectly. Prophet s.a.w is his best creation among all his creations. If anything He s.a.w is most perfect creation of ALLAH. That includes earth, sky, stars, sun, water air, humans, Angels everything.
The Prophet s.a.w i beleive in, cudnt have treated one wife better than other. This wud mean he didnt treat others rite and Prophet s.a.w being Aadil wud treat all same.
Now he cud have liked, one wife better than other becoz 1 being more pious than other but he wud have treated all of them (not including Hazrat Khadija) same as Hazrat Aisha r.a.