I don't think he's saying it didn't happen, he's just saying that the numbers have been exaggerated, which of course is possible.
As I said before, "Regardless of the number, a lot of fucking jews were killed. It's probably impossible now to determine the total number. My guess; it's probably somewhere in the middle...maybe 2-3 million, which is a huge number, but no where near the 27 million Russians that died [which could have been exaggerated too] ."