My buddy buys broken Iphones/screens and sells them to China where all the underlying parts are stripped and used for repairing Iphones. This is legitamite not

My buddy buys broken Iphones/screens and sells them to China where all the underlying parts are stripped and used for repairing Iphones. This is legitamite not shady at all. Ships hundreds at a time. A lof of the parts used for repair in China are coming from US/EU broken phones.