Sure, if someone wants your credit card number, they already have it too. They just follow you around with a telephoto lens and take a photo when you remove your credit card to use it.
But if someone just wants a few thousand credit card numbers, and not yours specifically, that's when an ounce of caution can go a long way towards protecting yourself.
But if someone just wants a few thousand credit card numbers, and not yours specifically, that's when an ounce of caution can go a long way towards protecting yourself.