WHILE I believe apple has a right here, who would want someone selling something with your trademark, I do think they should leave the kid alone.
He sold conversion kits to something Apple would not release. And you had to have an iPhone to do it, so Apple sold a iPhone, and the kid made a bit of cash for his smarts on knowing the demand of a market. No harm no foul. Now that Apple sells the white version again, i am sure his demand will go down.
Let the kid win.
They were not conversion kits, they were original parts owned by Apple and stolen by this kid. They were probably intended to be destroyed because they were defective and having them on the market would damage Apple's reputation.
This is no different than if broken iPhones were taken off the assembly line, shipped to this kid, then sold by him.
Theft is theft.