If you break Apple Pay on your device, you can essentially get... your own credit card number. If you break open an e-$100 bill you get as many copies of that hundred dollars as you can spend before getting caught.
My understanding from the article is that the TPM would be used to prevent theft, and counterfeiting would be prevented by something like RSA blind signatures (e.g., http://www.hit.bme.hu/~buttyan/courses/BMEVIHIM219/2009/Chau...)