AGAA4
Yes for a time and the extermination of disabled children whose parents didn't know what had happened to them.
It took a long time for the world to wake up to many of the atrocities the Nazis committed.
The parallel (and I only wrote of a parallel) is the Warsaw Ghetto, where people were confined to a small area and given food by the Nazis - 300 calories a day - and there was mass starvation. Some of them were the ancestors of some of today's Israelis.
