Everyone wants to be better than everyone else. Whenever through money, skill, or happiness, people aren't constantly trying to become more powerful than the rest. It's natural humans behavior that probably is the reason why we've come to rule the world.
Communism is a good example of this- everyone wants to be equal for the better good, in theory; but when push comes to shove the "leaders" takes advantage of the weak system and rules with an iron fist.
The reason people want OP in the first place is to better than everyone else. If everyone has OP, it isn't special anymore. So people get bored and want more abilties. This experiment has proven that it isn't the abitlies that matter, it's the fact that you're superior to others that anyone (subconsciously) cares about.