Lit Hub's historical piece traces how labor conflict around Disney animation intersected with the making of Song of the South - arguing you can't separate the film's production politics from its racial politics or from who was on strike.
It's uncomfortable history: cheerful studio lore meets Jim Crow imagery and worker organizing. For writers studying adaptation and corporate mythmaking, it's a case study in what gets sanded off in official retrospectives.
(Shortened and summarised to avoid devaluing the source)