Au contraire, human-driven cars are the cause of thousands of road casualties each year. In a hundred or so years time, people will look back in disbelief that we allowed non-professional drivers in privately owned cars onto the roads with all their dispositions for drink and drugs and texting.
Hmmmmmmmmmmm! But is technology as good as human comprehension? Sat Navs are a case in point, they are fine until they get it spectacularly wrong!