That's simply true to an extent, however given some specific circumstances. It makes sense for us to help a nation of oppressed citizens whose own armed forces might be unwholesome if not entirely unreliable due to the circumstances.

Beyond that, there's a reason why Trump has ordered the US Military to secretly destroy underground D.U.M.B.S. all across the nation in order to save countless of innocent lives. Otherwise all of what's being doing is all for nothing.