I think we have to get better at defining words. To me "racism" is the belief that your race is superior than another. A racial supremacist believes that their race should dominant and rule over all other races.
Then you just have bigots that are prejudiced about other races, cultures, genders and practices. They don't feel that their race is superior, they just might hold assumptions or stereotypes due to narrative or life experience. I think most of the so-called "racists" fall in this category.
To say Gina is a white supremacist implies that she believes the white race is superior and she wants her race to rule. That's flat out ridiculous. I've never seen anything from her to suggest that. People in the KKK are white supremacists. To go a step further and call her a Nazi, that's crossing the line. The Nazis were a political party turned army that murdered millions of people, were involved in genocide and started a world war. Gina is not a fucking Nazi. People are belittling what an actual Nazi is/was using that kind of language.
I do think Shaprio has some bigoted views. He might even be racist since he's such a fundamental Jew and thinks his people are chosen by God. Gina though, nah. She's just naive and knee deep into the culture war.