I imagine this going one of two ways: either human-operated vehicles might be outlawed, or auto companies will apply market pressure to favor people not manuall

I imagine this going one of two ways: either human-operated vehicles might be outlawed, or auto companies will apply market pressure to favor people not manually driving (steep, steep discounts in insurance for self-driving vehicles, since many states still require insurance but if the self-driving cars reach the safety goals they're aiming at, it's basically free money for insurers to insure them at any price).