Originally Posted by
dr88
Correction: The previous deal was an AMEX FHR mistake. Hyatt saw the full rate in their reservation system and never tried to back out of it. Amex covered the difference for everyone and Hyatt never tried to "back out".
This time it's an error on Hyatt's site, so they reserve the right to fix their own mistakes, but being in the Hotel Deals forum, I'm sure you are well aware of that.
The Amex FHR deal wasn't the only prior one at this hotel. Even for the Amex FHR deal, was that one not also booked via channels beside Amex FHR? The Amex FHR deal had Amex eating it.