Except what's missing from that logical train of thought: the current incentives are not there for that to happen. There are often very strong DISincentives.
But then again: very few corporate NPCs can think outside their bureaucratic box. If they could, they wouldn't be NPCs.
That's the key behind that reasoning : If your so skillful, go right ahead and create your own business. Otherwise, it's your place in the hierarchy which dictates your salary.