What is the speaker's opinion about the person they are addressing?
You're a sobbing and whining tells more about who you are then your self-congratulations
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Or do you think you are really the only Americans who have had to struggle to make a decent living?  You are so damn lucky to have born in a place where you could get somewhere at least partially by your own effort -- there are a lot of us who could match or beat your pathetic sob story – –  if we chose to focus on that kind of nonsense and stead of our good luck and gratitude for being  able to have so much control over our own destinies..