From Ursula Le Guin’s “It Doesn’t Have to Be This Way“:

“A fully created imaginary world is a mental construct similar in many respects to a religious or other cosmology. This similarity, if noticed, can be deeply disturbing to the orthodox mind.

When a fundamental belief is threatened the response is likely to be angry or dismissive — either “Abomination!” or “Nonsense!” Fantasy gets the abomination treatment from religious fundamentalists, whose rigid reality-constructs shudder at contact with question, and the nonsense treatment from pragmatic fundamentalists, who want to restrict reality to the immediately perceptible and the immediately profitable. All fundamentalisms set strict limits to the uses of imagination, outside which the fundamentalist’s imagination itself runs riot, fancying dreadful deserts where God and Reason and the capitalist way of life are lost, forests of the night where tigers hang from trees by the tail, lighting the way to madness with their bright burning.” [Read more.]