Germany had their hands full fighting the Russian army. you have to
imagine that Hitler, and his generals, could have cared less about some
porno peddling black marketers. It wasn't till after the war did the
nonsense about death camps, Jewish partisans, and the great battle for
the Warsaw ghetto took place.
As for Nana, and her cookie boxes, you need to ask what happened to
the mothers? Did Nana take the babies to the forest and let wolves raise
the babies, or maybe a convent, or maybe some crows flew the babies to
Switzerland?