Autopilots on aircraft are remarkably dumb in comparison to even the simplest forms of self driving. They are quite capable of flying an aircraft into the side of a mountain if that is what the pilot selects.

Almost almost, iff on happy path and in good enough weather and this and that...In other words, just what we have here: "it helps you fly/drive, unless it doesn't, but you're still in command and responsible for taking over if it becomes unhappy." With flying, there's rarely a situation such as "concrete wall at 12 o'clock" - this might be the distinction w/r/t driving.

The dumbest possible version is still called Autopilot.