Loads of children read books about dinosaurs, underwater monsters, dragons, witches, aliens, and robots. Essentially, the people who read SF, fantasy and horror haven't grown out of enjoying the strange and weird.
China MievilleWhen I write my novels, I'm not writing them to make political points. I'm writing them because I passionately love monsters and the weird and horror stories and strange situations and surrealism, and what I want to do is communicate that. But, because I come at this with a political perspective, the world that I'm creating is embedded with many of the concerns that I have. But I never let them get in the way of the monsters.
China Mieville