Compensation has been commensurate to your skills for hundreds of years.
Your argument smells.
Yes, more skilled people in general earn more. But (and in the words of Ben Goldacre: It's a big but) there are exactly two issues with this in our modern hypercapitalism, and they are related:
a) A class of very low skilled workers has moved to the top of the food chain and takes a massive part of the total wages for itself
b) The general level of pay is staggeringly low. If you compare the wealth of your western nations to the wealth of the average individuals within, you should be frightened. Most western countries can spend a few billions here and there without so much as shrugging. As nations, we have more, much much much more money available than ever in history. The most lavish spending of any king in history pales compared to everyday infrastructure, science or military projects of today. As people, we are richer than the average middle ages peasant, but in comparison to our nations wealth, we have less.