Earlier quoted context omitted.
6 out of the top 15 American billionaires inherited their wealth, that is the secret to wealth, have rich parents.
And 9 out of the top 10 American billionaires are self-made. It's amazing how you can use the same data to argue the opposite point, just on how you frame it.
Warren Buffet' father was a congressman
Larry Page's father was a professor of computer science at University
Sergey Brin's father was professor of mathematics at University and his mother worked at NASA
these are the first three I looked up and they don't look like low or middle class