Ah, but this is where the ground starts to slope away, isn’t it?Because this is a very peculiar sort of fun, indeed. The fun comesfrom seeing others menaced — sometimes killed.
Here King shows his exigence. He writes about how people like thrills, whether it comes from a roller coaster or seeing others "killed." He shows the audience his purpose in writing this essay, he wants us to understand why we like the horror genre.