Why does it need to be an even match to make it a good vs. evil story? Tolkein is the classic example of high fantasy. Does Frodo square off against Sauron on e

Why does it need to be an even match to make it a good vs. evil story? Tolkein is the classic example of high fantasy. Does Frodo square off against Sauron on equal footing? > There is no power struggle. This is an interesting but very different point. Are there implication in modern good vs. evil action films that violence is the answer and that the pursuit of power to conquer evil is good? Those are arguably recent trends in film. Though, again, they're hardly new themes.