...the point is that when they don't pay attention there is an extra line of defence.
Stuff I've witnessed in the past couple of weeks...
7000 lb SUV less than 10 feet from the rear bumper of a 2000 lb compact at 70 mph.
Left turn from the right lane of a busy six lane highway.
Drivers doing anything/everything other than actually driving.
Cellphone. Q.E.D.
I really look forward to robocars, cause y'all can't drive! (Yes, me included. Obviously, I'm paying too much attention to other's driving.)