And then you have FFTA, where legal stealing targets include people's weapons, trinkets, clothing, and memories. But not shoes; you can steal a suit of armor of a lizard-man's back, but not the shoes off his feet. Nothing cracks the game in half quite as satisfyingly as stealing the memories out of their brains and the swords out of their hands.

I always figured League regulations prevents you from having more than four moves. In fact, Pokemon League regulations are the reason for most arbitrary rules in the Pokemon-verse.