Then why the farce of matching your signature with the signature on the back of the credit card? Or if you don't sign the credit card, asking for an ID? It always makes me laugh when the high school student making minimum wage checks my signature. Do they all need to be certified signature experts before getting a job as a cashier?
Do people still check the signature? I haven't had one on any of my cards for at least five years nor do I sign receipts with my name; nobody has ever questioned me or asked for ID.
Cashiers are not supposed to check that the signatures match, they are supposed to check that the card is signed. A credit card is not a valid form of payment unless it is signed on the back. "See ID" is not a valid signature BTW. Cashiers who see that are supposed to direct the cardholder to actually sign the card before charging it.