Or maybe they could task some HI¹ with collecting a comprehensive list of different scenarios which rarely occur in the streets and in which a self driving vehi

Or maybe they could task some HI¹ with collecting a comprehensive list of different scenarios which rarely occur in the streets and in which a self driving vehicle is expected to perfom well: accidents, making space for emergency vehicles in stuck traffic, tunnel fires, ... And then when they tested against all that for a decade on their closed test tracks they can let the thing onto the streets. Because even if there were such block out zones, and there was a way to prevent abuse of that system, you'd still have to handle situations without those. ¹ HI: Human Intelligence