This is demonstrably not a task that anyone can do, let alone Joa[n] Average car driver. Highly trained pilots are not expected to do that, and that's when autopilot is being used in a vehicle that can provide significant amounts of time to handle the autopilot going wrong - seriously, when autopilots go wrong in aircraft at cruising altitude pilots can have 10s of seconds, or even minutes, to handle whatever has gone wrong, Tesla's FSD provides people a couple of seconds prior to impact.

That said in countries other than the US people can reliably use trains and buses, which also means that they don't have to intervene in driving the vehicle.