If you've ever been grilling a sausage and had it burst spraying hot liquid sausage fat all across your tender, trembling face and shirtless torso it becomes less of a debate and more of a safety precaution.
Madness string 95862
All cashiers are dead inside. You could put a live eel on the belt and the best you'd get is the mild exasperation brought about by the damn thing not having a barcode.