No, I'm comparing America's car culture to a rat infestation; something that causes serious problems and is a problem in its own right. This has nothing to do with the moral standing of individuals drivers...

Which is a ludicrous, fringe viewpoint that verges on trolling when you go out of your way to bring it up in a discussion about safety barriers for motorways.

It's correct nonetheless.

Your creating safety barriers for another problem though which are car speeds that aren’t regulated enough, and human and vehicle errors.