Earlier quoted context omitted.
The question though is why shouldn't those workers receive a larger share of their own productivity gains? As we work harder, we should receive more. But since the mid-1970's workers have received only a fraction of their own productivity gains. Most of that value is being sucked upward. It wasn't always this way.
Average worker compensation has nearly doubled in the past 20 years.[1] Almost exactly in line with aggregate productivity levels.[2] What I'm guessing you're referring to is median household income. Which is a quite different number than mean worker income. The former has stagnated relative to the latter primarily because a massive number of prime-aged workers, in particular young men, have dropped out of the labor…
https://www.pewresearch.org/fact-tank/2018/08/07/for-most-us...