Today is the anniversary of Malcolm X's death.  This is a person I feel that is less spoken of because his views were more radical.  He called for action and I feel that he was more than within his rights to do so.  Extreme situations call for extreme action.  The old adage goes violence only begets more violence and it wasn't fair that up to that point, African Americans were the only ones on the receiving end.  It was a time to stand up.  Many didn't like him because they didn't like what he said but it was the truth.
HIP HOP is action.  HIP HOP is the truth.   If it sounds vulgar or wrong, it is because they are telling the truth in its rawest form, and the truth is usually ugly.  Hence Hip Hop cliches like "keeping it real".  It all depends on how you use that info.  It is no coincidence that Hip Hop has been used for social commentary, here are some good examples: