I've known plenty of 
but when it comes to being scratched about it, it has to be my old neighbor that lived just down the road at the intersection, one of the first to buy (and performatively loop around the neighborhood with) a Te$la.
I had the misfortune of running into him at the bookstore, and he had this sort of eager "oh boy I'm going to blow your mind" look on his face as he saw me at the tables by the obligatory coffee shop inside.
"Isn't it insane what's happening out there?"
"What?"
"The looney left! They're out of control! I mean... you know it's bad when the most philanthropic human on the planet says they're out of control."
"Oh..."
"Yeah that's right! E~L~O~N has to take a stand or no one will! I don't want to be stuck living in a mud hut just so I don't hurt someone's feelings!"
"Oh it's your turn. She's trying to take your order."
My mom has the same heritage, but her internalized shame isn't as bad as your mom's. I try to explain that the things she doesn't like are largely a consequence of capitalism being imposed on the former USSR, but it doesn't really stick.