He literally said the Soviets “started with genocide before the Nazis even arrived” and then listed three things that aren't genocide, as a way of downplaying the fact that the Nazis planned to exterminate most of the people in Eastern Europe. Baltic peoples, Ukrainians, Poles, Czechs all exist today. That would not be the case if the Soviets had lost the war.
And continued after the war: https://en.wikipedia.org/wiki/Operation_Priboi
Not to mention the millions of Ukrainians who were dead before Hitler even rose to power: https://en.wikipedia.org/wiki/Holodomor