I think all religion puts far to much focus on trying to pin things down, it ends up being an argument over details, instead of an attempt to see what's going on.
I think that people need to put all of the arguments aside and simply love each other.
I think that "love each other" is maybe a bit too simplistic, but I agree with what you're getting at. Unfortunately, I think that religion, and Abrahamic religion in particular, consists of very little other than "the arguments".
I also agree with what ReverendDG said about groupthink. (great word btw
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I don't see how anyone can claim morality while abdicating their moral responsibilities,which seems to be the great attraction of books such as the Bible, they lend an appearance of solidity.