As a footballer I can't imagine life without the use of one of my legs... Sadly this is exactly what happens to thousands of children every year when they accidentally step on a landmine.
Not the power to remember, but its very opposite, the power to forget, is a necessary condition for our existence.
Of course, the outcome of the war would not have been changed. The war was lost perhaps, when it was started. At least it was lost in the winter of '42, in Russia.