"Success" in America has very little to do with how hard you work or how much skill you have, despite the media's fixation on such success stories.
The best predictor of a person's success is the ZIP code they are born in.
In a way, that makes sense: adults want their kids to be successful and will push for policies to make that happen.
But we suffer from a kind of communal sociopathy where everything is a zero-sum game and helping less-advantaged folks succeed is seen as handicapping the successful.