@CalamityJane,
There's an analogy, though.
Because we have cars, thousands and thousands of people die from motor vehicle trauma.
It seems likely that cars contribute a great deal to global warming...if humans are influencing this.
Car-related pollution is also extremely toxic.
I could continue.
Because we love the convenience that cars bring, we demand the freedom to continue using them, when common sense would decree that their use be restricted.
I have always thought the car analogy very interesting.