I think the quality is amazing, and will open doors for even better firework experiences, or night time stage shows. However the reason for creating it, is well... meh. I think as a person who has stared at that castle many nights on end, it'll make it more interesting to those who still do.
I also wonder if they'll be using photopass pictures throughout the day, and if there will be upload spots. Where you scan your room key and can upload like 2-3 pictures to be used. Of course there has to be a moderation team working all day to make sure the images are appropriate, and selection of which ones will be used.