There was quite a good sketch by Not The Nine O'Clock News which reversed that debate, in which the film The Life of Christ is accused of parodying the revered Monty Python.
https://www.youtube.com/watch?v=Ku3GcPrW9xg&t=190
(Brace yourself for a classy joke at 4:50)
Seems like it was only after John Cleese made a more seriours thrust that the stiffs got scared and went into a hedgehodge defense and it all turned boring and ridiculous.
Vintage!