Agreed, my original question was not trying to conflate "poor people-proletariat" with "untrained and inexpert", I think that is a dangerous path of categorization.
...It wasn't always wealthy. My family has been around Marin for generations, and my aunt bought a nice house in San Jose for like $14,000 years ago. What it's worth now that everyone wants it...yikes.
I'm not sure anyone in the rural area of my childhood would say that Zuckerberg's parents (psychiatrist, and dentist) were just "middle-class". I'm not saying he isn't talented, but he did have a software developer tutor him privately in the 1990s.