Somehow manages to combine the steam-punk grotesquery of Eraserhead, the Victorian grandeur of The Elephant Man & the camp space opera of Flash Gordon, with Herbert's epic narrative chopped up & merely peppered throughout. I don't think it's as compromised as many Lynch fans like to pretend, & if anything, seems to be the cinematic forebear to the recent Twin Peaks The Return, in both positive & negative attributes.
The novel came with its own glossary, and dramatizing such mythos isn't Lynch's skillset: his Dune is a mix of clunky exposition dialogue, pure abstract visuals, and almost nothing in between. But there are enough fascinating approaches to wonder what career we could have had if they cracked the script. Take it with just music and sound FX, and there are times you might even think you're seeing something visionary.
It's like Downton Abbey and The Fifth Element had an Eraserhead sperm baby. I read the books and I still had no idea what was going on here. So, I loved it. The way it conjures a hypnotic state - jumbling visuals, sound and temporal space as if on different planes - actually fits with the altered states angle in the text. So it's cryptic, yes, but so is Myth. Aching for rediscovery among Lynch apologists.