No, war is fought in a systematic way, deviate from that and you will be lucky if you don't get punished for it. History is full of stupid Generals who cocked up and cost millions of lives.
Hitlers Napoleons attack on Moscow in the winter are two examples. Get the fundamentals wrong and your army will pay the price unless you are lucky in which case you will get away with it.
Simple really, where was this officer school you attended? I bet it was the creche by the side of the old church