Generally speaking, most people who originally call other people Nazis ARE communists/socialists.
Unfortunately, most were conditioned to believe the Nazis weren’t socialists like themselves.
My Freep tagline was changed recently, but it said something like:
“When you are a Hammer and Sickle, everything else looks like a Facist.”
I just found out recently that is a variation of what is called “Maslow’s Hammer”...learn something on FR every day.