So two truths exist? One for victims and second for German society.
It was not a concert for the victims of Buchenwald. It was a assembly to commemorate the horrors of WW2, from what I´ve read. And when he spoke about the atrocities the Germans had to suffer, he spoke the truth - nevertheless, it´s highly unsensible not even to address the KZ survivors. He could have made two major parts of his speech: one about the Nazi victims, and one about the victims of the Red Army, the expulsion. ´nuff said.