Some of my friends listen to certain genres of rock music, some listen to hip-hop. Despite our friendship we have differing views upon each genres of music. Having listened to both genres of music at one point in my life I have an understanding of why some rock listeners would be quick to reject hip-hop as meaningful, complex and valid art form. The production of hip-hop music first consisted of two turntables and a microphone. The originators of the music who embraced the essence of spoken word in a rhythmic format, were working with the best of what they had...
live in poverty, not to say that some do not, this hate or anger is turned inwards. For example, Nirvana's depressing track off of In Utero "Rape Me".

While some of my friends are quick to judge hip-hop as a fad or the content meaningless because of its recent commercialization, they do not understand the origins of the music. Both types of music serve to achieve a common goal. To have the listener relate to them by expressing emotion, evoking thought, and expressing opinions. The difference between them is simply a matter of how they reach this common goal.