Every dead German was one less to pick up a gun.
True. Except that since most German men were off in the military, those affected by the area bombing were primarily civilians, mostly women and children.
You should study history a little bit more. The Nazis had not been training the Hitler Youth to be a Drill and Ceremony unit. Some of them needed killin' too. Many Germans were not Nazis, but a vast number of them were. Nazi holdouts continued to fight and kill just like the Iraqi terrorists for months after the end of the war. Look into the history of a town in Germany that had its entire local government executed by the Nazis for coopterating too soon with the Allies.