I was not prepared for the in-your-face eugenics of David Lynch’s “Dune.” The preoccupation with developing and preserving bloodlines....https://twitter.com/DavidOAtkins/status/1340412565235634181 …
Hes's explicitly compared to Hitler in the sequels (and the jihad he launches kills billions). The Lynch movie makes it more of a super-man story but it's fairly explicitly (even in first novel) a critique of the idea of a superman in the novels.