I don't think it does. For instance I notice The Handmaids Tale - what I'd regard as a science fiction - is currently number 3 in their 'Most Popular Sci-Fi' list between Alien: Covenant at 2 and Guardians of the Galaxy Vol 2 at 4 - both films I'd place firmly in the Sci-Fi category. [http://www.imdb.com/search/title?genres=sci_fi&explore=genre...].