I mean, if we really want to prevent bad parenting, why doesn't the government sterilize anyone deemed too stupid to care for their children.

Excellent point.
What people realize is that things will always fall short of 'good' or 'respectable' in the world. One can't just wipe out vulgarity from the face of the earth. It has been around as long as there has been civilization itself.

Lisa//Slytherin