Yeah, because he didn't "understand the material". He had the same problem with The League Of Extraordinary Gentlemen, but he took on that role for "the kids".
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"George, this is a little too much for me. Escaped convicts, fugitive sex... I've got a cockfight to focus on."
"George, this is a little too much for me. Escaped convicts, fugitive sex... I've got a cockfight to focus on."