Hollywood butchers southern accents all the time. Even actors from the south end up sounding stupid and fake most of the times. I think it is bc they think a true accent may be hard for some people to understand. I read up on the post where someone mentioned that about Frasier. Southern US accents do vary drastically depending on where you are but still Hollywood butchers them all the same. Larry the Cable Guy is a PRIME example. Yuck don't get me started on that whole "Country Music and Country Comedy" thing. My head will explode.