Pratchett believed he owed "a debt to the science fiction/fantasy genre which he grew up out of" and disliked the term "magical realism" which, he said, is "like a polite way of saying you write fantasy and is more acceptable to certain people ... who, on the whole, do not care that much." He expressed annoyance that fantasy is "unregarded as a literary form", arguing that it "is the oldest form of fiction"; he described himself as "infuriated" when novels containing science fiction or fantasy ideas were not regarded as part of those genres. He debated this issue with novelist A. S. Byatt and critic Terry Eagleton, arguing that fantasy is fundamental to the way we understand the world and therefore an integral aspect of all fiction.