Presumably they could be used. The point is it is not a direct dealership business. I am not even sure if the used parts are fed from primarily from the trade-i

Presumably they could be used. The point is it is not a direct dealership business. I am not even sure if the used parts are fed from primarily from the trade-in pipeline (as opposed to AppleCare/warranties). I’m totally speculating here but I suspect the trade in pipeline is primarily sold to a third party vendor and not touched by Apple (they accept Androids and such too, for example)