The biggest problem with the 1984 Dune is that the film becomes overburdened with clunky exposition. I think there was a deliberate decision to avoid that mistake with this adaptation.

While, as a fan of the novel, I'd have liked to see these elements given more explanation, I think on reflection that they did a commendable job deciding which elements needed exposition for audiences to follow the plot and which ones could be left as background details and texture for the world to avoid overwhelming the viewer and letting the film breathe more as a film.