Earlier quoted context omitted.
Imagine if instead of people protesting against income inequality, they protested against value contribution inequality...
To even have such a conversation you'd have to define value, and I think you'll have a tough time doing this. You're also essentially defining an economic aristocracy. Folks with more resources can contribute more value, which in common worldviews associated with what you said suggests they deserve more profit. That's the crassest form of economic attachment, and it's silly to pretend that it's efficient or fair.
A McDonald's fry cook could be a software engineer, but they choose not to.
McDonald's fry cooks protest for $15 minimum wage; instead of spending that time studying programming.
If we protested about not fully utilizing our lower contributing members of society, instead of condemning the highest contributing mebers; we'd have a healthier society.