Yeah, once this game started popping up everywhere, I found this site. I think there a few of them doing similar scrapping. As you can see, the hotel has just blacked out advance award reservations for the summer weekends. This obviously violates Hyatt's rules -- and was what the introduction of the peak/off-peak program was supposed to solve -- but unless the chain cracks down, I'm sure we'll see more of it.
https://maxmypoint.com/hotel/7316