Originally Posted by shadoquad

It's a mix of things. (1) it's a nanny state. The gov't knows better than you about what cars you can drive. (2) More importantly, the safer the vehicles, the less severe the injuries in crash situations, and the less severe the injuries are, the cheaper it is for hospitals and ambos to treat you, as well as the easier it is for cops to quickly clean up after you.

Bottom line: it's always about money.