Re: "irrational human fear from loss of control"
"If you accept some non-zero error rate from a human driver, but won't accept a lower error rate from a computer because it's still non-zero, that's irrational."
I'm sure you'll have no problem with me testing my almost-entirely safe automated machine gun turret at the same shooting range you go to, when you're there in person. I promise it isn't any less safe than most humans can be expected to be handling a gun...