These same issues came up in the early 20th century as well with the same kind of discourse on it. When markets get mature, all additional wealth generated goes

These same issues came up in the early 20th century as well with the same kind of discourse on it. When markets get mature, all additional wealth generated goes to a select few due to how difficult it is to generate that wealth in the first place (often requiring dominant competitive advantages, like... extreme innovation or execution that the average population is unable to do... or ownership of capital). We have a 40-60 year gap in our collective memories of the discourse, in part due to the scare of communism, massive resets of industries/markets from war (meaning market growth opportunities where everyone involved can benefit from the lowest to the highest), and globalization keeping those opportunities alive without squeezing the labor class in the US. The simple fact is that mature industries don't have room for paying average joes more than what they get paid right now, and average joes can't really do anything about it. It's similar to scientific discovery, where the main bulk of low hanging fruit has been picked and only the smartest people tackle the most esoteric challenges - mature industries are optimized to hell and only the strong players can make any gains in them. There just aren't many non-mature markets anymore.