While fair, that opens up a whole other discussion about whether or not the resort should have a nighttime spectacular for its day guests even when a special event is going on*. If HHN is chewing up two months(ish) of availability, a seasonal spectacular at IOA seems like something that should be considered.
* With three of the four WDW parks having major nighttime offerings, they can get away with Magic Kingdom closing to the general public early for MNSSHP, for example.