The only things worthwhile about the film
I didn't really care for this film. It didn't seem to go anywhere or have direction. The various ruminations were largely unconnected. And the filmmaker/interviewer did everything he could to come off as unpleasant and snively. That being said, I think there just were a few moments that were interesting.
1) In the Paris suburb of Sarcelles, the older men in the Turkish cafe said they had no problem with Jews. But the young men on the street seemed to despise Jews for no reason other than they are Jews. These young Muslims could not really articulate why. They claimed that a Jewish businessman, for example, would screw them over if given the chance, but they had no evidence.
Why is this interesting? Because it shows the groundless yet dangerous and misdirected anger of young (and unemployed) Muslims in Paris. Meanwhile, the older generation subscribes to a mantra of "we all have to get along."
2) The two interviews in Germany were very interesting. Non-Jews seem to like dead Jews and wish to commemorate them, but they ignore real, live Jews in the their midst. Non-Jews in Germany build enormous, expensive memorials to the Jews killed in the Holocaust, but they don't seem to care if the Jews living in Berlin don't want such a massive memorial or have other present-day concerns and interests.
The Holocaust memorial's initiator, Leah Rosh, whose birth name is Edith Rohs, is a self-promoting, self-righteous, pompous, deplorable person. She, a non-Jew, feels so connected to the Jews that she has taken a Jewish name and adopted a Jewish persona. But she hasn't actually converted to Judaism. She just wants to be Jew-ish, so to speak, but not an actual Jew. She does not share the Jews' theological/philosophical worldview. She didn't seem to care that a Jewish Holocaust victim's tooth should be interred as human remains and not treated as a novelty.
By the way, when Kastner made his flippant comment about somehow missing the boom in blond, Christian klezmer bands, he was obviously being snide. I can tell you from personal experience that the Scheunenviertel district of Berlin is full of Jewish-themed institutions, including klezmer acts, establish by non-Jews for non-Jews.
Those two moments in the film were the only things worthwhile in it, in my opinion. There are other discussions on the "KLM" board where the annoying things about this film are discussed, and I have contributed to those.