The film could be perceived as anti-god because of how they interpret the supreme leader and devil. But I think they did so to avoid offending Christians or perhaps just to be creative.
Great movie. If it was made today they'd have to do some pandering bullsh*t where they visit Africa for revisionist history crap. But this film was all fun. All white. No feminism. Dwarf jokes. Ah, the good 'ol days.
The humor is weird and the ending may surprise you if you're an American. This video explains best why it ended the way it did, IMHO: