[...] Marshall Mathers raps and sings some songs as
himself: For example, "I'm Sorry Momma." In such
songs, he never uses the "n word." He does use bad
language to describe his family, such as the terms
"faggot father" and "bitch." But is this really any
worse than, say, the hundreds of pages dedicated to
excrement in Thomas Pynchon's much-ballyhooed work of
"literature" "Gravity's Rainbow?" [...]

from:

Is Eminem really any worse than Mark Twain?
by Geoffrey Christopher Rapp
FindLaw Columnist
published at CNN.com, Friday, November 29, 2002

Hundreds of pages?