As someone who studied the Second World War in fairly great detail at some point, your answer is utterly wrong.

Your argument, is, "It took so much work to defeat the Nazis in war, and that proves that the war wasn't necessary" is baffling. How does that make sense to you?

And indeed, corralling was the essence of the strategy that the Allies tried to use. Remember Chamberlain's "Try, try again" speech?

The Wehrmacht was by far the largest, most powerful and most modern army ever amassed in history to that point.

Are you unaware that the Germans simply invaded France, which the Allies thought had an unbeatable defense? Why don't you start by explaining how your "corralling" strategy would have prevented that, and then continue from there?

Your mugger analogy should go like this. You're sitting at home and a man bursts in, kills one of your children and tortures another to death, and is now beating your wife's head on the floor.

Your strategy is to leave the house, and lock the doors - "corralling", which means "leaving your family to die horribly". Except there is nowhere else for you to go...

I live in Amsterdam where the Nazis came into the city and hauled away thousands of our citizens to camps where they died horribly. Meanwhile, my grandfather was in a Japanese Prisoner of War camp, though he luckily survived the war.

I feel you know absolutely nothing about this material at all and it's maddening.