The same scenario has played out over and over again.
WWI, WWII are just recent examples.
When the "good guys" decide to fight, Reverend Manning is right.
Evil will die at the point of something, be that a point of a pole, as Vlad the Impaler used, to the point of a rail, sword or gun.
Or evil can die at another point, the “finger of God.”
Evil dies when the good news of the Gospel of Jesus gets proclaimed.