It will be tightly coupled to your AppleID I'm sure. For everyday iOS users, the act of re-registering your device to a new AppleID would be too involved to be

It will be tightly coupled to your AppleID I'm sure. For everyday iOS users, the act of re-registering your device to a new AppleID would be too involved to be worth it. For users on other devices, though, I'm not sure what Apple could do to prevent this.