but they didn't go out looking to eradicate people like me because I was born brown. That's nowhere to be found in their ideology.

Wrong.

You clearly are either uneducated on this topic or are willfully ignorant of the the Decossackization (the genocide of the Don And Kuban Cossacks) Holodomor (the intentional genocide of the Ukranians by starvation) and the Great Purge (the execution of anyone who was in political opposition to the authoritarian collective). Among literally hundreds of other instances of ethnic cleansing for the purpose of socially engineering the Soviet Union to rid itself of undesireables.

They eradicated people for far less than the color of their skin, they did it because they were born to classes of people even below the working class. They are fundamentally the exact same as the Nazi, who by the way did not call themselves Nazi. They called themselves National Socialists, because their version of socialism is nation first as opposed to worker first like the Soviet version. They are based on the same flawed idealistic ideology.