do you think scribes copying and others translating what they consider a holy book would take the utmost care to do it correctly?
No. I believe that they would insert their own political views, just as the original authors of the Bible did.
even IF there is an error, or there is a truth distorted intentionally, do you think that the peer review of other believers who read subsequently will not catch it
What peer review? There were a tiny number of people that could read those languages, and they were all employed by the church.
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Bitt Faulk