> Is a backup camera not a way "of mitigating the risk" when reversing?

You knew I was referring to other methods mitigation the risk and decided to get a quick jab in at me. That was disingenuous. I don't appreciate it.

> Which is easier, installing them in new vehicles, or making a billion drivers undertake remedial training in basic safety?

Driver awareness can be done through other means than re-training.

> If you say so. I've gotten angry on here, but it takes a lot more than someone who thinks they can see through their bumper.

I never said that and obviously don't believe that. Funny how at the start of this reply you were pretending you weren't engaging in that behaviour. I wouldn't bother replying, you won't get another one.