Camikaze said:Evil economic imperialists try to kill off natives to control ridiculously precious resource. Natives get a prophet-like outsider who leads them to victory with what appears to be rudimentary weapons, utilising nature (the things they fly = worms in this analogy).
Imperialism was a theme in Dune? I didn't get the impression that Leto Atreides ever objected to his own House Atreides ruling Arrakis.