It's because the stories propose a link between actual science and the future
rather than pure fantasy: Dragons unicorns witches elves etc..
https://my.micron.com/about/blog/company/insights/future-shock-11-technologies-science-fiction-predicted]
11 real-life technologies that science fiction predicted
Science fiction predicted credit cards, television and the 1969 lunar landing. Bionic limbs, military tanks, antidepressants and submarines emerged from sci-fi, too. Even the concept of the internet originated in a book published more than 30 years ago: “Neuromancer” by the author William Gibson, who coined the term word “cyberspace” and defined it (quite presciently) as “a consensual hallucination.” Gibson, who has been hailed as a modern-day Nostradamus, also foretold reality TV and nanotechnology, among other marvels.
Some science fiction predictions have been dystopic, like the villainous computer HAL 9000 in the Stanley Kubrick film “2001: A Space Odyssey.” More than 50 years after the film’s 1968 debut, HAL 9000 continues to serve as a warning of the malign potential of artificial intelligence.
Many other predictions, however, have pointed to tech’s potential for enriching and enhancing our lives. From the hologram table in George Lucas’s “Star Wars“ (1977) to video chats and flying cars in the 1960s TV show “The Jetsons,” so many modern-day digital wonders and wannabes were first imagined by — and inspired by — people who weren’t scientists at all, but writers.
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