Brings to mind the Sarte quoted about the knowing absurdity of anti-semite's statements.

https://www.goodreads.com/quotes/7870768-never-believe-that-...

Hence why every Holocaust denier seems obvious about wishing it happened completely.

Simple denial of the horror has been broken by accounts and ample documentation - for all of the flaws of the leadership of allied powers in that generation one thing the got right was gathering ample evidence of the extensive crimes.