I wonder about the idea of not "full" self-driving, but with turns and lane changes being automated instead of a steering wheel for example for idiot-proof driv

I wonder about the idea of not "full" self-driving, but with turns and lane changes being automated instead of a steering wheel for example for idiot-proof driving. A joystick may be available as a fallback for manual steering. Of course, there would also be collision detection for example too.