WDW History nut
It wouldn't be difficult. They did it with the two Circlevision films. And Symbiosis.Love the music. Love the landscapes. They just need to bring it into the 21st century. Film the same scenes again with people who don't have 80s hair and clothes. (I'm looking at you, wedding scene.)
Even so, the 1981 scenes in IDF don't stand out that much. They could certainly keep the money shots in.