There were all types of people sent to the concentration camps, Romanov Gypsys, Jehovah's witnesses, Gay people, Disabled People, even communist supporters were sent there, it was not just the Jews. Every type of person that didn't fit into the Natzi civil narrative was sent to that place. Every type of person was killed in the Gas chambers with the Zyklon B aerosol grenades.
The image I get of God in the scriptures is a God of love and is perfect. Satan directly went to war with God and he was banished, he wasn't destroyed by God. Satan is only going to be destroyed because he killed and harmed other beings, it is justice for cruelty. You see, God is love. The Mass Murder of the Natzis is not love it is Hate, it is the opposite of God's Nature. There was blameless children in the death camps, what did they do?
That is what I think. Sorry if I am wrong.