This wouldn't be happening if we just ran wars in a female sort of way. First, we would all gather together and discuss it from every point of view. Then, we would all agree on the best course. Then, we would all split up and start backstabbing and badmouthing the others. Then we would just do things our own way and ignore that it wasn't working.
Hey, come to think of it, that describes the super effective methods of the U.N.
... then on the 28th day we'd just slaughter them mercilessly to the last man.