IMHO, this was really a video about camera-only automatic emergency braking, not autonomous driving.

Lots of cars have AEB now since a lot of regulators are requiring it, but most use a combination of cameras and ultrasonic sonic. The top-of-the-line systems have LiDAR, cameras, and ultrasonic.

Tesla’s sensors lack redundancy. If the cameras are obstructed or can’t distinguish shapes, the vehicle can’t fall back to another system.