What would the evident reasons be, if you don't mind my asking?
1. Perspective:
Tolkien's perspective: Develop a 'believable' world usable as an English historical lore, and based on (generally) the English historical area.
PJ's perspective: Develop a cinematic production based on Tolkien's work.
2. Intent:
Tolkien's intent: Use people, situations, things, aspects, elements (including religious) common to all throughout history to build the perspective of #1.
PJ's intent: Copy Tolkien's work to the extent necessary to make a spectacle people will enjoy.
3. Target:
Tolkien's target: Develop something most other
peoples and cultures had but England was lacking - in the arena and style of precedent 'lore'. Develop it to be as complete and consistent as possible.
PJ's target: Ride on the high popularity Tolkien's work had become, make a 'story' of it that is reminiscent of Tolkien's
events, scenes, and scenery, but with enough of his own "invention" infused in the 'comedic' arena to attract that audience as well. Modify as needed where 'interest' may seem increased. Avoid controversy wherever possible. (this last point he failed in, not understanding the largest portion of his audience.... particularly with
The Hobbit.)
4. Goal:
Tolkien's goal: Fill a gap, exercise his talents, and provide for the people, hoping for the best.
PJ's goal: Make as much money as possible leveraging what was popularly available through attracting the largest possible audience.
Those are the primary 4 areas to consider in why one finds some of what one finds... like a dearth of added 'religious reference' (very unpopular),
Elves skiing down stairs on shields, bunnies pulling a sled filled with a wizard, and Elves skiing off trunks of (significantly) oversized elephants (all popular for certain audiences), and shortened scenes leaving key elements out (like
Saruman's potential remaining power, enough background to recognize how
Sauron is as much a slave to
the ring as he is its master, etc.)
Simplified: Tolkien wanted to achieve a masterful epic. PJ wanted to ride Tolkien's fame while expanding it where he thought 'profitable'.
Perhaps sounds like a harsh critique...
But let us consider why there are those who create whole new
realms and arenas... and why there are those who simply copy them...but don't even do that in a way acceptable to copy the WHOLE epic and arena of the original.
Ent thinks it speaks for itself.
Again, the 4 points above are the 'most obvious'.... there are others perhaps, a bit less obvious.
And there are several only 'speculative'... like how much PJ even understood about what Tolkien had done.
Here, End doesn't know enough about PJ's knowledge and understanding of Tolkien's background to make proper judgment.
My imagination is very limited when reading descriptions - do you think that
Minas Tirith looks like Mont Saint Michel based on the description in the book?
Ent will need to review this a bit to make a recommendation.
Also to ask a question. Which Minis Tirith?
The one described in the book, or the one(s) shown in the movie? Ent is guessing 'the movie one' consistent with your 'in the movie but not book' theme.
addendum: doh... you even said "based on the description in the book". Ent had some branches in the way of his eyes.
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