What if there's a need for inequality? I.e. if everyone is about same as everyone else, how would the society organize any work that requires coordinated effort of many people? How would it maintain the required discipline?
What if 1 person owned all the money and everybody else worked for the promise of money ? Would that be enough inequality ?
My point is that to organize coordinated work there must be some way to persuade people to comply and endure hardships, like working at nights. I see roughly three: slavery (inequality in offensive power?), "economic inequality" in capitalism, and spiritual leadership (inequality in wisdom). I like the latter the most, but it's hard to scale, and I prefer economic inequality to slavery any day.