Young white boys are often homophobic, racist, misogynistic, and full of hate and practice violence there is a growth of neo Nazism that emerges out of poverty and unemployment that is looking for victims who are vulnerable and they become trophies for their need for a rush. Many raised in single family homes have witnessed violence and see it as a natural way to live. They join and work in gangs and are successful at making money from the drug trade. Their identity is tied to separateness from the mainstream.
In anger management their racism is muted because there many non whites in the group. They are very hostile to authority. Unfortunately their brains are not fully developed so they have a hard time relating to rational thought when it conflicts with their emotional drives.
Some of the smarter ones are able to watch and listen to the older men who can talk about their own struggles with authority or with women and have some relating to what they hear. They are able to see the need for connection with a world they feel alien to. Some do get it, but then leave and get swallowed up in the culture they know. Other leave as angry as they came in still consumed with vengeance and the need to exercise their power.
It is easy to resent their brash arrogance, but underneath they harbor deep wounds which are difficult for them to acknowledge.