While seat belts work, I think what saved these kids lives were the crumple zones. Those do work twice. If the car crumples in areas that don&#x27;t impact the riders that&#x27;s a good thing. Nobody would have survived such a crash in a classic Chevy.<p>The front of that car is obliterated, but notice the damage ends where the cabin begins. New autos have been receiving upgraded crumple zones for decades because they work. And it looks like Tesla hasn&#x27;t avoided the issue.