Unfortunately, no. There are evil things that happen all over the world, and the world powers are powerless to fix it. If <insert world power here> mobilizes it

Unfortunately, no. There are evil things that happen all over the world, and the world powers are powerless to fix it. If <insert world power here> mobilizes its military to topple a government doing evil things--now what? People will be (rightfully) mad that the world power literally installed a new government, so the government will be unstable and illegitimate--and this will likely only cause even more strife.