Hmm, when I tried emailing the hotel, I got a very different answer. I asked if they could open up award inventory for certain dates and the response was:
Aloha Mr. Lunatic,
Greetings from the Andaz Maui at Wailea Resort. Thank you for your email and for your continued support to the Hyatt Company as part of our World of Hyatt Member.
Please be advised we no longer book World of Hyatt points/award night on property. Please contact our Global Contact Center at 1-800-233-1234.