Completely different things. Self driving cars need to actually deal with vision and fuzzy real time response. Air traffic is a planning and scheduling task with known constraints and (in most cases) known minutes ahead. Comparing their risk is a complete apples and oranges situation.
Than again, ATC needs to deal with people talking on the radio, so the current system has a really long way to go to be completely automated.
Than again, ATC needs to deal with people talking on the radio, so the current system has a really long way to go to be completely automated.