They won't be able to build a disruptive startup or a modest lifestyle business anymore without having to pay upfront and play by the rules of big tech. But nobody will be so they won't feel that something was taken away from them.
This actually describes my feelings about all this at the moment. I imagine that now and in the future, the 2 Steve scenario in the "garage" will be next to impossible
Ironically, Chromebooks are the "freest" hardware you can get. They all support full-featured coreboot, including measured boot and verified boot.
Consider all of the school age kids using chromebooks, many of them their 1st computer.
Will they care in 10 years as adults that their Mac doesn't allow programs to be installed from "untrusted sources"? Unfortunately, this transition probably won't phase them.