In my favorite South Park episode, there is a mysterious problem: All of the boys’ underpants are being stolen every night. The parents are angry; they can’t understand why all of their children’s underpants are disappearing.
The boys stay up one night to try to catch the underpants thieves, and discover that the culprits are gnomes. Following the gnomes (who are carrying more stolen underpants) through a hole in the wall and into their underground cavern, they find enormous rooms, full of all of the kids’ underpants that they had been stealing.
The boys confront the gnomes, and ask why they are stealing the underpants. The gnomes explain:
The problem is, of course, what is "Phase 2"?
We have the same problem with learning. ...