Whether or not anyone agrees with the invasion, the fact as that they are here to stay. The same thing happened with rock music.
In a couple of decades black people are going to have to invent a new type of music because hip hop may be taken over.
Not really. Nearly 40 years after Hip Hop was created, there has been no other white rapper outside of Eminem that has long term success. Rock music has been popular for only 10 years until Elvis stole it from us.