The Dune movies never explain the strangest thing about the Dune universe: an entire civilization with spaceships, yet no computers. The reason goes back 10,000 years before Paul Atreides. Humanity did exactly what we're beginning to do today. They created thinking machines and gradually handed over their work, their decision-making, and eventually their freedom. The result was catastrophic. Humanity launched a galaxy-wide crusade against the machines and ultimately destroyed them. In the aftermath, one law became absolute across civilization: “Thou shalt not make a machine in the likeness of a human mind.” From that point forward, violating this commandment was punishable by death. The interesting part is that technology did not disappear. Humanity still had interstellar travel, advanced engineering, and sophisticated science. What disappeared were computers. To replace them, humans trained themselves from birth to perform the functions that computers once did. Entire schools developed extraordinary mental abilities through generations of rigorous conditioning. Instead of artificial intelligence, they cultivated human intelligence to superhuman levels. That single decision shaped every major institution in Dune. The Mentats became living computers. The Bene Gesserit mastered their minds and bodies to an extraordinary degree. The Spacing Guild relied on navigators rather than computational systems. Nearly every remarkable ability in the universe exists because computers do not. That is also the most unsettling idea in Dune. It is not a vision of a future without AI. It is a vision of a future after AI — 10,000 years after humanity collectively decided, “Never again.” Frank Herbert wrote that in 1965.