I hear the comparison to pilots and police a lot. An airplane is a lot different from a car in that it can move (or rather it's supposed to move) in all three axes. There are two people flying it. There's a lot more spacing. Pilots are far more trained than drivers.
With police, yes, they are better trained than the average person behind the wheel. But police do die in car crashes. They are not immune.
I was [at] work and someone called me. When I finished the call I looked up and said, "Where the &@!! am I?!?" My feet went on auto pilot and I ended up behind a bunch of environmental chambers. It's amazing I didn't trip on the cables. And I too have people walk into me while on a cell phone and they're totally oblivious.
I personally think that rather than a bunch of barely enforceable nit-picky laws we need better training. We need stricter penalties. And we need to stop treating crashes as random accidents and hold people accountable for their actions behind the wheel.
John