> The fact that the body is undentable and glass is unbreakable makes it sound worse for occupants, too. If it doesn’t crumple, you’re going to be in for a bad time in a car accident.

I think this crumple b.s. is made-up non-sense by car manufacturers (it might have minimal marginal impact and would like to be proven wrong). By making my car front bumper a weak piece of plastic that gets scratched and damaged very easily, they can sell it later for $1.000 a piece.