Or they are devices that were traded in (https://www.apple.com/shop/trade-in https://www.apple.com/shop/trade-in) for a new iPhone and are still working fine, b

Or they are devices that were traded in (https://www.apple.com/shop/trade-in https://www.apple.com/shop/trade-in) for a new iPhone and are still working fine, but Apple wants destroyed so that they don't erode their market?