Millions of people live in desert regions around earth so some think that someday it could happen on desert_planets.
A Sci-Fi universe can feature a wide variety of planetary settings.
https://www.vulture.com/2021/10/dune-has-a-desert-problem.html
Of course the desert is part of the STAR+WARS story but perhaps even more so for the Dune story.
https://nerdist.com/article/everything-star-wars-borrowed-from-dune
https://dune.fandom.com/wiki/Arrakis
https://en.wikipedia.org/wiki/Arrakis#Environment_and_the_spice
https://nerdist.com/article/dune-history-video-34000-years-quinn-ideas
https://dune.fandom.com/wiki/Dune_(2021_film)
https://scifi.fandom.com/wiki/Category:Desert_planets