In this clip from Grey's Anatomy, a surgeon does not acknowledge or recognize a nurse who has assisted in many of his surgeries.
This video demonstrates the "Poverty Trap" - aka the cycles that occur in the lives of those in the lower class that keeps them from being able to accumulate enough wealth to ascend the socioeconomic later.
In this clip from Titanic, Jack is criticized on the basis of his class.
"In America almost 40m people—one eighth of its population—live in poverty. Why does the richest big country in the world still have so many people living in profound need?"