[joe_the_user]

That argument is "protesting too much". Like a multitude of political movements (say MAGA), lots of people joined the NAZIs with their spin on the cause.

Heidegger aimed to use the NAZI movement to promote his own ideology, which he viewed as compatible with and appropriate to the movement. It was different from other versions of NAZIism and they were different from each - only at point the NAZIs fully consolidated their state control and wielded top-down state propaganda did things become uniform. But the idea-point leading up to that point (say, about when Heidegger resigned his rectorship, after The Night Long Knives) should most simply and clearly be called "NAZI ideologues".

And yes, that's not something those who like Heidegger's writings like to hear.