By far the most popular ad shown during the latest Super Bowl (the trademarked name “Super Bowl” is used here without the expressed written consent of the National Football League) was the Doritos “House Rules” ad. Tens of millions of Americans saw it as hilarious. That is unfortunate. Anyone aware of the manifold social pathologies the ad depicted did not find much to laugh about. Here is the ad: A man knocks on a door. A pretty woman answers it. He hands her flowers and she thanks him. He has presumably come to take her out on a date. She...