At this point it is appropriate to exercise skepticism towards claims of random acts of racial sadism that just happen to comport with popular "social justice" narratives.
lol. Black people are literally getting gunned down in the streets by our government without prosecution, but you think a couple of outlandish questions in an interview are implausible. Adorable.
Unlike a policeman who shot someone, I would expect actual negative consequences would accrue to a CEO who routinely behaved like that in technical interviews, and that they would expect such negative consequences to accrue.
Interviews with black software engineers are not routine. Even if they were, folks like you would believe that people were making up their stories.