Ok so Bezos was born in a low quintile, but then jumped when his mom married a wealthy person when he was 4. He effectively had the same advantages of a rich person through his adopted father's success.
Ok but he was wealthy when Bezos was a child. The point is, for all intents and purposes, Bezos grew up wealthy and had the support of a wealthy family when he went out on his own. He famously got a "small" $250,000 investment from his parents to start Amazon.
