Exactly right. If you can show that the signature is forged, the merchant becomes responsible for the fraud. It is their job to check the signature, even if they don’t.
I don’t think I’m allowed to refuse payment with a credit card because of the signature. I don’t know why they bother.
I like to give the number of someone that drives me nuts. That way, telemarketers can drive this person insane in their spare time.