You don't pay pilots for the 9999 flights where nothing happens and the autopilot works fine. You pay them for the 1 flight where the autopilot either fails or

You don't pay pilots for the 9999 flights where nothing happens and the autopilot works fine. You pay them for the 1 flight where the autopilot either fails or encounters a situation it doesn't know how to handle, but amortize it over all the ones where it goes fine.