These things are already priced in, the stock traders has known these things for decades so the returns are about the same as most other things as you would exp

These things are already priced in, the stock traders has known these things for decades so the returns are about the same as most other things as you would expect. High returns comes when stocks do better than expected, these companies are expected to fleece people to hell and make massive profits so when they do that it is just the expected thing happening meaning normal return on investment.