It’s a necessary tool for cooperating in a vast division of labor. Humans are not all that meritocratic by nature, and don’t like lotteries. And capitalism is a necessary, meritocratic, lottery.
It isn’t just. It isn’t fair. It’s just necessary. So how do you take what’s necessary and then on top of it, make it somewhat just and somewhat fair? That’s what we’re always trying to do. It’s just that government as we currently know it, isn’t a very good way of doing that.
There is a very big difference between fair and desirable.