Fairy tale does not deny the existence of sorrow and failure: the possibility of these is necessary to the joy of deliverance. It denies (in the face… - J. R. R. Tolkien

Fantasy is escapist, and that is its glory. If a soldier is imprisioned by the enemy, don't we consider it his duty to escape?. . .If we value the freedom of mind and soul, if we're partisans of liberty, then it's our plain duty to escape, and to take as many people with us as we can!

War must be, while we defend our lives against a destroyer who would devour all; but I do not love the bright sword for its sharpness, nor the arrow for its swiftness, nor the warrior for his glory. I love only that which they defend.

I should say that, in addition to my tree-love (it was originally called The Tree), it arose from my own pre-occupation with the Lord of the Rings, the knowledge that it would be finished in great detail or not at all, and the fear (near certainty) that it would be 'not at all'. The war had arisen to darken all horizons. But no such analyses are a complete explanation even of a short story...