Bergen-Belsen was one of the camps that *actually* had deaths because they tried to cram 13,000 prisoners into a camp set up for 3,000, due to the Soviet advancr, so there was a lot of starvation.
If he, and his family, survived it's probably because they were stealing food from others.
What they REALLY blame us for is the Romans destroying their temple 2000 years ago. In their eyes, All Europeans are to blame for it and they are PISSED.