Who's That? Brooown! Lyrics

Lyric discussion by science 

Cover art for Who's That? Brooown! lyrics by Das Racist

I've thought about these lyrics a lot lately, in the slightly satirical context Das Racist exists in. My hypothesis is that this is a statement about the tendency of the media to declare "ethnic" versions of certain trends to be the "ethnic" version of "__"; e.g. the "Black Elvis," or "the Mexican Spielberg," the Chinese "Frank Sinatra." It gets sort of abstract at the end though; if anyone can comment on "what can brown do for you?" that lyrics befuddles mean. Unless it's just a simple reference to UPS, in which case...