It's particularly galling because the fake ATM was put right outside the security entrance. I'd almost be willing to bet that any account number/PIN tuples gain

It's particularly galling because the fake ATM was put right outside the security entrance. I'd almost be willing to bet that any account number/PIN tuples gained from this (if they were collected before the unit was discovered) won't be used. This was someone making a point, and they did an excellent job of it.