It is extremely poor leadership that allows women to be in a war zone commanding men.
When you have an incompetent person who is supposed to be in charge...that creates a situation with no discipline and low morale.
Its not just in the military either. If in XYZ corporation they put in some ninny who is an ass and can't perform, how is that going to effect everyone else? At least if they are likeable (not an ass) people will be more prone to listen even if they are not the strongest of leader. Then though you end up with a power struggle...
If the ninny is a co-worker thats one thing. If they are the boss, its nothing but trouble.