Yahweh said to Gideon, The people who are with you are too many for me to give the Midianites into their hand, lest Israel vaunt themselves against me, saying, My own hand has saved me.
"Proclaim in the ears of the people"  (Judges 7:3).  "This proclamation was in full accordance with the Law of Moses  (Deuteronomy 20:8)."[3]  If this is a fair cross-section of human opinion, it indicates that the vast majority of men involved in warfare actually have no enthusiasm for it, but are merely involved due to peer pressure or some other motivation.