It is contemptible to denigrate another American citizen for the ethnic-sounding origin of their last name. It's an astounding irony that you would invoke the name of Fermi to do that: Fermi was a citizen of Benito Mussolini's Italy, a dissident who immigrated to the United States during the second world war.

"How to tell if someone is a racist? You don't need to, they would tell you themselves"

Highly likely, russian spies ))