What do people have against reading Stephen Kings books?

Out of the people I talk to about me loving SK, half are already constant readers who are obsessed with his work, and the other are people who’ve not laid eyes on one page and will blatantly refuse to start, with the most common reason being, “he’s just not for me” or “I just know I wouldn’t like them”?? What gives? Why are people so quick to hate when they don’t even know what his writing entails? Lol