Something isn't "nostalgia" if it's still part of the popular culture... Disney's "Snow White and the Seven Dwarfs" maybe be 84 years old but it's still relevant and entertaining to people today... Mr Toad, Davy Crockett, and Song of the South on the other hand, are not really part of the popular culture anymore, so to people who remember them fondly they are "nostalgia"
Disney knows what they sell is popular, which is why they constantly raising the price on it, and are now also cutting corners on the quality of the product, but those kinds things that's not what the company was built on. They were always know as putting out a "top quality" product... here's an example of that
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This is Morey's Pier in Wildwood New Jersey. Around the mid to late 70's/early 80's they made "knock off versions" of popular Disney World attractions, like their "Country Bear Jubilee: Continual Stage Show Direct From Orlando Florida" on the right, and the decrepit building in the center left was their "Haunted Mansion". Some people living in the North East enjoyed this stuff and remember it fondly, others of us drove 2 days to Florida to see Disney's superior versions of these attractions.
I'm not sure what Disney offers is still worth the trouble or the price anymore. I don't miss "Mr Toad's Wild Ride" or "Snow White's Scary Adventures" because "those the painted flats with black-lights, dark rides" were exactly like what you'd see at the Jersey Shore... and when they added Dinoland with all is Midway game I hated it because it was exactly like the Jersey Shore... There's a difference between a "luxury resort" and a "tourist trap" ...some of us know the difference.
Disney and their shareholders needs to realize that they the got where they are by tending to the public and the guests, and that arts, and entertainment, and hotels, are all "service industries"