A lot of these are slightly emphasized but mostly accurate.
You can easily find these type of individuals on one of the biggest dumpster fires on the internet:YT comment section.

The line between trolling and sincere insanity is really thin there.

I know for a fact that the last 2 are as accurate as it can get. Not only are their "sources" heavily questionable and often forged, but they are often not even white enough for literally Hitler's taste, being normally from the US who very rarely have any germanic roots.