You never design things to be indestructible. You design for a 100 year storm or something like that, or a 500 year earthquake when designing buildings. Eventua

You never design things to be indestructible. You design for a 100 year storm or something like that, or a 500 year earthquake when designing buildings. Eventually, something will happen that destroys it, but that's an acceptable risk to take. Cars aren't designed to withstand all crashes, just a certain fraction.