Until I see median real income start to actually go down, I just don't buy it. AI is currently a commodity. Maybe one of the labs will be able to differentiate sufficiently to be able to charge the kinds of premiums they need just to pay back their investors. Maybe, instead, we'll see something akin to the FOSS revolution, where large, high-quality, open training sets are developed to make sure there's always a fair…
If you denominate your income in silly money such as USD, then it won't go down, probably will go up! However if you start asking questions on how much housing medical and materials it buys, then I think it will squeeze people even more than now.
After a decade of "quantitative easing" there is still a shitload of money looking for a spot in the economy that needs it. NFTs, bitcoin mining farms, AI data centers, FAANG stocks, real estate, gold ... These are hedges (or attempts to hedge), but they add little to no intrinsic value to the world's prosperity.
They merely shift and concentrate wealth and power, for the most part.