From an interview with Al Jean, an executive producer for The Simpsons.
Q.Were you concerned that what he ( Banksy) sent you could get the show into hot water?
A: I’d be lying if I said I didn’t think about it for a little bit. Certainly, Fox has been very gracious about us biting the hand that feeds us, but I showed it to Matt Groening, and he said, no, we should go for it and try to do it pretty much as close as we can to his original intention. So we did. Like we always do, every show is submitted to broadcast standards, and they had a couple of [changes] which I agreed with, for taste. But 95 percent of it is just the way he wanted.
This post brought to you by Oregon Cartoon Institute, the Matt Groening Fan Club sub-chapter.