Although your examples are valid, there are many counter-examples: see increasingly-stringent enforcement of anti drunken-driving laws since the 1970s. Althoug

Although your examples are valid, there are many counter-examples: see increasingly-stringent enforcement of anti drunken-driving laws since the 1970s. Although drunken driving does still occur, it's vastly more uncommon than it was before we began legitimately enforcing the laws we have.