That sounds very much like the plan designed by the archangels. It was to be a fight between Michael and Lucifer, and although the angels intended for Michael to win, much of the Earth would have suffered. I... was not involved, but one of my brothers took a stand against it, along with his human friends. You would like them, I think.
It has been a hard lesson for us to learn, and we are not perfect. But we no longer have a single leader, whose ulterior motivations may not be in our best interest, nor in the interest of our mission. We make decisions together, instead, and every angel has a say.
It has been better. I hope it continues to be better that way.