He's not concerned about fraud where he is out goods, he's concerned about fraud where he's being used as a card verification tool. Checking the validity of cre

He's not concerned about fraud where he is out goods, he's concerned about fraud where he's being used as a card verification tool. Checking the validity of credit cards is expensive and hard for carders; They need to do so fast and in bulk, but without setting off the fraud detection on the other side and killing the card.