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It does matter my dear friend, just think about the book 1984 by George Orwell was published in 1949 trying to predict a possible future, only to lead Elon Musk to say "it was meant to be a warning, not an instruction manual".
Think of Isaac Asimov who was both a scientist and a sci-fi author, many of his writings and ideas both from the science books and the fiction books are used in present days as we talk about robotics and AI.