If a three year old came into your hardware store waving his mother's credit card and assured the staff that he had parental permission to buy a chainsaw, would

If a three year old came into your hardware store waving his mother's credit card and assured the staff that he had parental permission to buy a chainsaw, would you fire the employee that sold him that chainsaw? Or would you, like the company in question in this article, refuse to respond to phone calls from that confused mother?