As so often, the IMDb voter average is nothing to go by, in terms of seeking quality. However, in the case of this very funny, even somewhat clever, comedy the 4.6 average is a joke. The reason for it is obvious: many people who have never seen the movie but heard about it and what it's about decided to hate it without giving it a chance.
IGWT is quite an offensive movie to believers, and anyone who is strongly Christian (or of any other religious persuasion) should not only avoid this movie, but pray to his God that He burn all copies of it.
Although, the movie mocks the commercialization of religion far more than Christianity itself.
As an atheist, I loved this movie and recommend it to all agnostics, other atheists, Christianity-haters, but also Christians who can take a joke. Provided, of course, that you don't mind raunchy, irreverent humour.
Feldman is quite weird playing an ultra-naive do-gooder monk who has never been outside his monastery. The premise alone makes one curious to see the film. The supporting cast is very good, too (Boyle, Kaufman, etc.).
Obviously not as good as the almost flawless mother of all religion-bashing films, "Life Of Brian", but with plenty of good and wicked gags at the expense of religion.
There is criticism that IGWT was just a cashing-in reaction to Monty Python's Jesus movie, but who cares if it was? There are plenty of movies that support religion, so another (good) comedy that goes in the opposite direction really can't hurt.
