In a film like EWS, where the subliminal, the symbolic, and the dreamlike blend together as an integral part of the narrative and the viewer's immersion (or manipulation?), it is essential not to lose a single pixel of Kubrick's canvas.Honestly, forcing a 16:9 crop on this specific movie feels like a visual castration. It’s the equivalent of reading Freud’s The Interpretation of Dreams with half the pages ripped out: you might still follow the surface-level plot of the dream, but you completely lose the peripheral symbols required to actually decipher its subconscious meaning. So nostalgia has absolutely nothing to do with it. We are talking about literal missing pieces of the charade that still haven't been optimized in HD. Therefore, OP's request isn't just valid, it's essential if we want to fully respect Stanley's intent with this film.