“If someone had assassinated Hitler in 1936, he would be remembered today as a great man who saved Germany.”
Are you then arguing that it is better to allow millions to be executed in gas chambers and millions die on the battlefield than to have prevented Hitler’s ambition?
I cannot possibly see how “letting it play out” to witness atrocity and suffering is better than eliminating the same.
God is letting it play out.
Physical death is not the worst thing that can happen to a person.