Yes, America is currently racist towards Russia. And getting more so by the day.
Your basic argument is that Russians can “pass” as Caucasians to the average American, so this racism isn’t really “a thing.”
I live in Central Europe with my wife, who is from a former Warsaw Pact nation. She is is whiter than I am, but she is Slavic. She’s tall, blond, and blue-eyed, but her facial features are not quite Caucasian. That makes all the difference to people who are looking for it. The same way people look at how black or brown someone is, how flat their nose is, or how kinky their hair is.
In the 14 years we’ve been together, I’ve personally witnessed racism against her ranging from casual to direct, from acquaintances to (now former) friends. It’s real. Right here in cosmopolitan Vienna where 50% of the residents are 1st or 2nd generation immigrants (like us).
The US power establishment is currently encouraging the same type of racism and xenophobia that I grew up with in the US in the 70’s and 80’s. This new racism is also real (also surreal that they’re bringing back a “red scare” about a country that is just as capitalist as the US). The longer it goes on the worse it will be, until there is another generation of kids growing up like my generation that only “know” that the Russians are evil and want to undermine our country and way of life. Fun fact: Those growing up on the other side learned the same things about us!
I’ll give you the benefit of the doubt. I had a hard time seeing racism against my “white” girlfriend as well at the beginning. But it is real. The stories she’s told me about all that she has experienced are similar to those told by US blacks and particularly Mexican Americans. You should do some more research before you dismiss it out of hand.