When Yang Ping passed by the emergency department, he noticed a police car parked not far from the entrance. No more reckless drivers dared to park temporarily in the emergency lane—towing, points deduction, fines, plus a training test; a full package had ensured everyone stayed in line. After all, human nature is the same; it's the power of enforceable rules that matters.
Drunk driving is a perfect example. When rules are strictly enforced, everyone suddenly becomes much more civilized. Compared to the past, although drunk driving still occurs, there's a general consensus that it's unacceptable and comes with a cost.