Ummm .... you're not familiar with the story or just having some fun?
At the risk of sounding like a pedantic nerd (On *this* forum?!
) In Herbert's story Arrakis is the most important planet in the entire galaxy as far as humankind is concerned. Literally the linchpin of human civilization and economics. The other issue being Atreides were *made* to go there -- duty bound -- by the Emperor.
To be fair, I can see how the world building in Dune can easily become a struggle for non book readers.
IMHO, Children of Men is a critically acclaimed book that is a slog to get through and would be a nightmare to film by sticking very hard to the source material. The film however works because it's very grounded. It might be dystopian in nature, but there are major elements where a contemporary audience can relate.
Some stories are just easier to convert to film. I can see why The Eternals tanked. And why Batman just keeps plugging away.
Villaneuve is kind of stuck here. He has to pay homage to the purists and the hard line book readers, but that chokes out his ability to convert some of the rougher material ( the religion / mystical / etc) into something more relatable to the modern audience.
Dune might just have been better off as a prestige TV series. More long form storytelling to establish better world building and character development. Something interesting about the proposed Dark Tower franchise years ago, was that the plan apparently was to mix films and TV shows together. That the core story was way too complex to give it justice in just a few films. Enders Game is another beloved story that is far too difficult to squeeze down into one or two films.
The entire "spice" issue is easy to miss for non book readers. It's a concept that's honestly just hard to relate to the average viewer.
If you have or haven't seen it, then Ghost In The Shell the original animated film versus the graphic novels versus GITS Stand Alone Complex the TV series IMHO kind of illustrates how just more running time helps relatively esoteric concepts to the majority of the audience.
I enjoyed Dune Part 1. I believe Villaneuve is a great director. But the circumstances asks a lot of the general viewing public.