Earlier quoted context omitted.
Jan Dismas Zelenka wrote for the Saxon king, and many of his works were never released as a result. Then, they burnt to ashes in 1945. The only extant copies were caught in the bombing of Dresden. We tend to think of "lost works" as something that happened in Antiquity. Nope.
I think this is the real long-term harm the Nazis have done. Sure killing and murdering people is very bad, but after a century it amounts all to the same. What you can't bring back is the whole culture they destroyed. This is also one aspect why they absolutely hated the Jews. The Jewish culture emphasizes education and Christian were forbidden to take interests in the middle ages. So the Jews became the wealthy edu…
"Take interests"? If by that you mean in education, then this is false.
If you look at the centers of learning in the Middle Ages and who was contributing the most, these were Christians and it was the Church. The first universities-as-universities were founded then. Scholasticism was intellectually very rigorous and supplied the philosophical foundations for the modern sciences. This was an incredible period.
And not all Jews were rich, either. This is an exaggeration. Those who were were often disproportionately merchants, of course, and because Jews were permitted to issue loans with interest to non-Jews (the Church forbade Catholics from issuing loans with compound interest to anyone, hence why the Medicis, Fuggers, etc. didn't make their fortunes through interest), they were more likely to engage in money lending of that kind.