Thats because all autopilot enabled cars, have the safety part enabled by default. Automatic Emergency Brakeing. Side collision avoidance, Lane detection etc.
Those systems are the great ones at the moment. But almost all modern cars have those.
They're brilliant because they augment humans by leaving humans to do all the driving and staying focused on that but then taking over when the driver gets distracted and is about to hit something.
Auto-pilot does it the opposite way round. It does the driving but not as well as the human but then the human can't stay as alert as the car so isn't ready to take over.
