I Don't Think That Means What You Think It Means

If I tell you that you picked the wrong item because the code is wrong, don't argue with me! I'm trying to help you and yes, I know better than you. Had one douchetard argue with me about the fact that the item he picked on the self serve screen was not the item he was buying. He hadn't bothered to punch in the specific code for it. When the item didn't register, he placed it in his bag and then of course because the scanner hadn't picked it up, the sensor went off saying there was an item he hadn't scanned in the bagging area. He of course, insisted it had scanned it before he bagged it. Very easily and slowly I showed him how it was NOT on the screen with his other items because while he had looked up the item (the wrong item) he hadn't pressed the button to choose it. As I tried to explain that he had to enter the code, he ignored me, looked it up and chose the wrong item again...at which point I had to cancel the item because this moron refused to admit I was right and that YES he needed to punch in the code. He snapped at me, "What difference does it make?" Uh it makes a difference because you're BUYING THE WRONG THING! I sincerely hope that a)this moron never reproduces and b) he chokes on the item he bought.