Hacker News Reader

Probably because that's called forgery, and if they were caught doing it it would be a much bigger deal than not getting their money from that transaction.

If the intent is to fight chargebacks, then a false signature seems even worse. A signature that isn't remotely similar to the cardholder's seems less likely to be successful than a blank signature, and presenting such a document may well be fraud.

>>I'm not sure why they just don't scribble a random signature in for me..

Because that would be financial fraud for which they can go to jail.