Not thought crimes. Marching in the streets with literal swastikas on flags. Their "set of certain beliefs" killed 17 million people (https://en.wikipedia.org/wiki/Holocaust_victims) as part of their beliefs: and that's without counting the deaths they caused by starting a war.
It's not some clever gotcha to pretend this is a grey area. It's not folks saying to go after GOP members, people in militias that are dogwhistling, or even the Proud Boys. It's not folks that loudmouths on twitter are claiming are nazis. The issue here is literal fucking nazis. I actually have a PhD, and I consider it wise to chase literal goddamn nazis out of town with violence. Tolerating the most extreme intolerance is not a path toward a good future.
You sure you aren't a being a titanic jerk right now? Even your username might be evidence that you're consumed by negativity, but that's beside the point. Why would you assume they're hallucinating that racism exists? Seriously: stop and ask yourself that question. Why side against this person who has done nothing but share their experiences?
I'm a white dude from the southeast and I have these stories: the only time I've gotten harassed by podunk shitheel cops is when I'm around Black and Latino friends, and when I had a truck with FIGHT RACISM written on the back. The only time I get followed around stores is with friends that just so happen to be darker than me - what a coincidence, eh? On the other end of the spectrum, I've had to put up with racist shit being shared with me out in the sticks from white folks who assumed I'm as racist as they are. Saying that folks are looking to be a victim makes you either complicit in or ignorant of racism that still exists in the here and now, and more than likely some of both.
TLDR: If you're not a troll, then all I have to say is bless your heart. Look inward and try to improve yourself.