Surprise factor zero. Holocaust deniers are generally people who want to see it continued.
However, you have the reasoning wrong here--it's not guilt, but rather that they realize how society views genocide and the history of the holocaust shows what can happen when they get their way.
Also, most people don't want to admit to being for genocide.
Why Would Somebody Lie By Saying The Holocaust Happened.
1. in 1933, a newspaper headline appeared that said, "Judea Declares War On Germany." As I quoted before, "In war, truth is the first casualty."
Judea wasn't a nation at that time, it couldn't declare war on Germany or anybody else.
2. Jews control the movie industry. They may have even have had a lot of influence in raido broadcasting. This gave them a huge "soapbox" to stand on and spew their lies. And once lies are established, they are hard to go back on.
Control the movie industry? I would think the movie industry would be more positive towards them if that were the case.
I haven't paid attention to radio in a long time, the current world press is certainly anti-Jewish. (Although in most cases I think this is simply an example of news organizations slanting the news in the direction the majority of their listeners want--and there are nearly 100x as many Muslims as Jews in the world.)
3. To take revenge on the Germans for having dared to deport the "chosen of GOD!!!"
Huh?
4. Jews received reparations for the whole "holocaust" thing. As far as I know, they're still being made. If the holocaust was ever shown to be a fraud, those payments would dry up. They might even have to pay back money that was paid.
Reparations?? No, what they have received is a return of stolen property. You can't return stolen property without it first being stolen.
5. The U.S. might lessen it's funding of Israel. A country that it already gave nuclear weapons to.
The holocaust was around long before there was any funding of Israel.
8. If the holocaust was ever disproven, Jews might again be persecuted.
And they aren't persecuted now??
9. National Socialism was economically sucessful. Capitalisn wasn't and isn't. To support "The American Way," it would be very helpful to discredit national socialism in any way possible.
The Holocaust was about Hitler, not National Socialism.
10. Stalin was the real monster. In the early 30's, he caused up to 10 million Ukrainians to starve to death. He didn't even need "death camps" to do it. Not to mention his many other atrocities. The holocaust and other things could be supported so that the U.S. doesn't look so bad for having supported Stalin.
If we even did support him (I'm not addressing this one way or the other) it's moot as people certainly don't realize it.
12. German National Socialism wasn't into the whole multiethnic society thing. But that was and increasingly is being shoved down American's throats. So for the U.S. to promote its multiethnic society, they had to discredit the German White Patriot National Socialist system. Etc.
Once again, you have your timelines messed up.
As you can see, the U.S. has many reasons to promote the idea of there having been a holocaust. It also has many reasons to go to whatever lengths are necessary to see that it is believed. What is that compared to the few people who seek out the truth for the truth's sake. But I support the truth. Because those who believe in a false history are doomed to suffer the same fate themselves.
Truth? Your words read like a fanatic. Fanatics don't search for the truth, they search for things that confirm what they have already decided is true.