Also if attention was made on it, it could potentially put pressure on apple to counter this trend.
They did the same with the Apple ID Genius Bar requirement. Bands and musicians sign CDs and posters with the fans name making it harder to resell. It would make things inflexible but that's Apple's problem to balance and resolve
They could fix it with in store purchases, but not online. Why do people care? It is easy money, and totally legal.