I used this same quotation back in the '90s for something. It's become kind of trite, like the Ben Franklin quote about liberty and safety. Yes, we know the Jews suffered, it's been drilled into your psyches over and over again. Not the blame the victims, but Germany's Jews are the perfect example of why you don't believe in government benevolence and why you never let anyone conduct mass civil disarmament.
Stalin proved that the Germans were right to go after the Socialists who were trying to undermine Germany. Not defending what the Germans did, it was horrifying. Both sides ended up being brutal and completely evil. Look at the Spanish Civil War, no real winners there and that was the prototype for WWII--fascism rose as a counter to communism. Again, not trying to excuse it, it's just reality.