Sorry, but that's not true.
Furthermore, in rear-end collisions both parties are somewhat guilty.
Your reasoning to reach this conclusion?
You're forgetting the non-zero cost to the economy of people who would ordinarily be stripped from the gene pool by their own idiocy, by standing behind a car, below the sight line of the driver, while the car is reversing.
So you'd strip toddlers from the gene pool? Yeah, that's the ticket...
It's not hard to admit errors that are [only] cosmetically wrong. -- J.K. Galbraith