Ok friends I had a recent stay at a hilton all inclusive that had some service issues and I submitted my first ever compensation request via guest assistance and they said I could either receive 30k points or a be my guest certificate, when I asked if I could use the cert at the grand wailea (waldorf astoria) they advised it was only good at hilton branded hotels, is this correct or can I use this cert for a standard room at any hotel within the hilton portfolio? TIA