The ordinary work of fiction can be defensibly judged only by its own laws; if a novel's world is consistent with itself, its divergence from a reader's own understanding of reality is irrelevant. But fables are different. They claim to describe our objective world, not their own. Such works can and must be judged by the accuracy with which they reflect our world and the perceptivity with which they interpret it. So judged, Lord of the Flies is open to several objections.
Perhaps the basic objection is that its subject is irrelevant. It claims to demonstrate that man cannot begin anew and create Utopia. But the human race cannot start from scratch; whatever we do, think, say, and assume is deeply conditioned by our past, rooted even in the structure of our languages. Nor could we isolate one generation. So when Golding tells us what happens when a generation is isolated, we may be academically interested, but we cannot—or should not—see in the children's situation any image of our own. They come to a bad end, and we may come to a bad end; but there is more coincidence here than prediction. Mankind has always been partial to the opinion that things aren't what they used to be, and in a time of crisis the opinion seems especially valid. But we cannot agree with every expression of this opinion simply because it flatters our own predilection….