You probably have heard his stuff, a lot of missy eliiots stuff has been produced by timeberland.
and no he is no where near Dr dre's standard.
How people can generalise about Hip hop or gangsta rap is above me.
Although a man of contridiction( spelling) ,if you listen to a lot of Tupacs tracks, there is a message and something to be understood about life in general and its associated struggles. The same can be said about DMX also.
There are rappers who only talk about Drugs and killing etc without any real message or hope for the future, Fiddy cent, the game, snoop etc.....