Well, there's a line in Ugg-A-Wugg that goes "We'll be true blood brothers to the end" so my guess is they're playing it safe as somebody else said a few posts back so as not to incur cries of racism.
Butters, go buy World of Warcraft, install it on your computer, and join the online sensation before we all murder you.
--Cartman: South Park
ATTENTION FANS: I will be played by James Barbour in the upcoming musical, "BroadwayWorld: The Musical."