It opens your eye to discrimination and how judgemental people can be.
Explanation:
The greasers were always hated on the the richer people for the way they dressed, talked and did their hair and people didn't really take into mind that they could be going through troubles in their lives which could make them act the way they do. Treating them with disrespect didn't make their troubled lives any easier.
A rethorical figure is used to emphazise an idea or a feeling through the literal sence or the order of the words. In this case we can see the use of an anaphora because in the sentence is often the repetition of the first part „so many/much” to describe the image.