For two additional nights I'd try to see how to get them in.
Last year I had a ~4 night stay at Maui and a Family Suite went through which was very meaningful. Without the suite nights I'm not so sure we would have gotten an upgrade as we were in mid summer and the hotel was fairly full.
I'm hoping the help Luker is doing with people will raise Hotels and the Platinum lines awareness of the expectation over time and for more people to benefit from this - without the need for intervention.