"As such, they may be barred from being allowed on the payment network. This includes ATM machines, ....
No. ATM machines run Windows XP Embedded.
Support for Windows XP Embedded continues through January 12, 2016.
Some Enterprises with custom support contracts _may_ continue to receive certain security updates for XP, for the remainder of their custom support contract.
It's home users and small businesses still running XP that are screwed / in a rock in a hard place (Upgrade now / get a new computer [perhaps a Mac], switch to Linux, or be vulnerable).