Maybe a little worse. I just think he would deny it if he could, but that would be harder to get people to believe. Blabbering made up words and claiming they are from God is one thing, but thank God we have some video footage of the event. We know he hated the Jews even more than most people do or did in 1942 or whatever. He also hated pretty much everyone else too, but that's another story.
I just feel that if you say anything to make the Holocaust seem any worse and horrific than it was you are denying it. That's like saying 911 did happen, but the number of people killed were greatly exaggerated, and it was actually closer to 300 deaths than 3000. Well that's not really 911- "just some people did something".