One might be surprised to know of the number of Serious Philosophers who, as far as I have been able to tell from their commentaries, basically say this and it's regarded as a deep insight. Quoting Russell's History of Western Philosophy:

War, especially, has its share in historical causation; and victory in war does not always go to the side with the greatest economic resources.

That chapter in general can be read for an impressive array of bafflingly poor objections, though I think none so silly as this one.