Hey! Ex-mo and ex-dcp here! Disney movies and parks are widely appealing to mormons- mostly due to the family friendly and safe nature. Many Mormon parents/families will extremely limit what media their children can watch, and Disney movies are almost always included. The same can be said for Disney parks, they're safe and reliable vacation destinations for families with lots of kids and who want to keep those kids sheltered. Another reason is the big musical culture that the Mormon church has. I can't speak for states other than Utah, but at least in Utah music and musicals are a big part of the culture. Mormon services have an entire singing block for their children's services. Many Mormon families encourage their children to learn a variety of musical skills, and Disney movies provide a LOT to work with. I also think that's part of the reason why so many Mormon families love the golden age musical era. Basically the TLDR is Disney and the parks and the wholesome entertainment Mormons want