...AGD benefits from whoever originally bought those parts but then the parts can be resold to whoever else however many times and AGD sees none of that money. Just like the software, someone buys the programmer and he gets the profit but the person who bought it can resell the "software" as many times to whoever and the programmer owner sees nothing
Its called capitalism where you buy low and sell high to move up and make as much as you can. ...you can never sell anything off any site or buy anything off any site and must buy new from manufacture for the rest of your life.