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...