because once all cars are driverless there will be no need for speed limits. There may be lateral G limits enforced by each car to minimize wear and tear and driver coffee spills, but no need for speed limits with millisecond reflexes and all-seeing, unblinking eyes.
Yeah, this from the guy who thinks streaming a 1,073,741,824^2 pixel texture of the entire game world into RAM is a good idea. Put down the pipe, turn around and walk backwards toward the sound of my voice.
A police state is a state policed. We all live in one or more. Of course they'll do all they can to better police their state. It's their job, and we pay and vote for them to do it. Corporations license new technologies to them to do it better. Maybe if all citizens just aspired to be "officers" of the institution they'd be happier. Maybe... Just maybe, one should simply succumb and obey one's master.