How fucking dumb are the humans of this world.
"Oh, look, a Nuclear Bomb, let's poke it with this stick to see if it goes off"
I don't think this MC will ever join a side, but I must admit, the Demons actually treat him with respect and the Humans only show contempt.
I was hoping he could mediate to make them draft some kind of Historical Peace treaty, but now I'm sure the humans are too blinding by Honor, Greed and Prejudice to even listen.