[sdfsdfsd3443f]

You could and when you would end up in the hospital your parents would have gotten a visit by people with sticks.

You can let your kid play in traffic. You can let your kid run around with knives. Sure, but when shit hits the fan you'll be luck to pay a hefty fine and lose all social credibility you had. In the worst case you're looking at jail time. Those sort of incentives will tend to smooth these issues out.