Fundamentalist preachers, and other conservatives and puritans.

It comes from conservatives who claim that fictional material is inherently unwholesome and will either corrupt you, or you’re only interested in it because you are already corrupted.

It also comes from conservative attacks on literary and art education in america. Uneducated gen z americans who have never had a chance to learn the actual reasons behind literature and art believe that art and fiction is only for wish fulfillment.