This could explain alot. Infidels Are Cool has more on this.

After many lectures like this, Obama decided to take a second look at Wright’s church. Older pastors warned him that Trinity was for “Buppies”–black urban professionals–and didn’t have enough street cred. But Wright was a former Muslim and black nationalist who had studied at Howard and Chicago, and Trinity’s guiding principles–what the church calls the “Black Value System”–included a “Disavowal of the Pursuit of Middleclassness.’”

SOURCE