People write these findings as if they're surprising. It's not.
Before reading this article, did you know that CEO pay has grown twice as fast as the S&P 500, three times as fast as corporate profits, and sixty-nine times as fast as production workers? And that the minimum wage, adjusted for inflation, has not grown at all and has in fact lost ground?
Yes, it's true that good companies make everyone wealthier in absolute terms, but that's not the whole picture either. Not every company is Google.