I get how you figure that Eli could've just memorized the book and orated it, but again, GOD (damn you, and your pervasive ALL-CAPSing) said to take the book with him (maybe as contingency should anything happen to Eli, such as memory failings from time or damage, since supposedly man still has free will to screw around with). That "he's blind with a Braille Bible" thing sounds p. cool, and makes his actions up to that point sound impressive (not that you discussed those much, even if it's just to say "each of the blah number of fights aren't very impactful, as fight scenes go"), but then there's that "wait, so did God imbue Eli with superhuman, DareDevil-level fighting ability to both kill people that could have been convert-material (not that I know who all was taken down, and Jeebus knows that OT God KO'd his [people's] enemies), and basically guarantee his survival should he make the delivery?" thing...
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...but I think the technicalities of what occurred are what's to focus on here, that impressive shit went down, more than what could have been done in examining human strengths and weaknesses, the wills to believe and to survive, the sacrifices and rewards of following what you "know" to be right, blah blah blah whatever would have made this movie more poignant than just an item quest (an item quest where both the character and the audience are assured will be completed, because a verifiable God gave it). You didn't rightly tell us that, yes, it is just him fulfilling a purpose for the Bible's intactness, because it comes across as a repeating reiteration that "he was told to do something by God" (heh, add a comma after "something"), and thus doesn't settle that "he was told to, and does, take the Bible from one location to the other, while (apparently) not doing much with the Bible that one would expect to be done with a basis of faith/inspiration," though IIRC after all this banal ramble of mine, you said he does help people come to God (does he do this with the Bible's words/messages, justifying its presence, or freehand?).
ANYWAY, let me see if I can tl;dr summarize this:
Your review was not comprehensive enough of what was both in (acting, action, script, cinematics, music) and not in the movie (suggested plot and pacing alternatives, etc.), the use of the book aside from being the MacGuffin was not put forth, neither in Eli's journey nor in the villain's intentions for it, and the spoiler you avoided in the review is impressive in technical way (an awe for what has been done, both by the apparent God's power and Eli's execution of it) moreso than a considerational/poignant way (how Eli's journey could have exemplified man's relation to himself, to his God (both the apparent one and whatever beings or forces other characters subscribed to, denied, or didn't give mind to), to other men, and to his environment).
Haven't seen this flick, prolly won't (I don't go to movies much), and it's completely up to chance if I watch it when my folks rent it (unless it's something I'm intended on, I usually only watch something if I'm wanted for company or if I stick around to watch enough of it to stay for the rest). Book of Eli doesn't sound bodily convulsively bad, but doesn't sound like a must-see and doesn't fit with the sort of geeky crap I get into. (That may have been the only well-constructed paragraph in this whole spiel, eh?)
And Gxas, I've glanced your post, sir.
EDIT: Ah, yeah, reading the post above mine, it is a point to make about active religions in reality and as a part of fiction. JudeoChristianty, as said in the Legion review, has an interesting mythos to pull from, and even then, just one deity's mechanics and use can be something interesting, as long as the viewer remembers that it is a fictional portrayal: one incarnation of a being that, IRL, is seen in a multitude of ways. So, just like with the various takes of universally agreed fictional beings, "God" just has to work as part of this story, and doesn't have to mesh with a viewer's personal views of the being in the real world. Now, if "God" is used stupidly in the movie, then yeah, bash it, as it's a maldeveloped/employed character and/or plot device.
...wait, kinda drifted. Point was, this is a fictional God, fictional Christianity (just as there's fictional people, in a fictional world, of a fictional scenario). That must always be in mind with non-non-fictional materials.