WHY DUNE’S APPROACH TO ARTIFICIAL INTELLIGENCE MAKES STAR WARS LOOK ABSURD
The lack of "thinking machines" in Dune is intentional, and the ban on this technology actually creates the basis for all of the world-building within the original six Frank Herbert novels. But what's brilliant is this backstory is not really a huge cautionary tale. Instead, Herbert uses the A.I. revolution trope as table-setting for Dune. In doing so, he makes the world-building of other droid-heavy sci-fi fantasy universes seem a little bit silly.
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The TL;DR version of this simply: The reason why there's no A.I. in the relative "present" of Dune is that by the time Paul Atreides and his family move to Arrakis, A.I. has already been banished for 10 millennia.
...Like the 2003 Battlestar Galactica reboot, Dune imagines a future where technology has been intentionally throttled back to keep people safe from it.
...Frank Herbert's sly decision to make robots and evil A.I. a part of "long time ago" backstory allows the original Dune books to be about something several sci-fi epics forget to focus on: Humans.
See the full story here: https://www.inverse.com/entertainment/dunes-2020-ai-tech-star-wars-differences