[hackinthebochs]

That doesn't answer the question. Identity does matter. Because Nazi Germany came to the wrong conclusion does not invalidate every premise used in their justification.

[tastyface]

What was wrong about their conclusion that isn't equally wrong about the conclusions of these other white nationalist parties?

It's pretty clear to me that all these parties have racial animus (not ethnic identity) as their core, and we all know where that leads.