The train left the tracks when you decided to make it more convoluted. You managed to sum it up 1-4, the problem with 5 is you then go to great lengths to justify the hearsay that formed after the alleged attributions.
The off ramp in the discussion too place between steps 1 and 2. Step 3 was my trying to straighten it out, step 4 was the evidence that I failed. Step was my attempt to stop trying to get the train back on the tracks, and instead just meet you at the station the train was bound for to begin with.
I did not go to any length to show that modern bible are reliable. I simply stated it, so you could agree or disagree. I even gave you a link to one of the greatest experts on testimony and evidence in history. You did not agree, or disagree, nor apparently take 10 minutes to visit the link, so again I am having trouble figuring out what you want.
If there was undoubtedly high probability for reliability it still wouldn't be subjected to scholarly debate. You make the common mistake of assuming if one does not share your belief (I.e., your conclusions per info you choose to accept) then they must be uninformed.
The integrity of the bible's historical pedigree isn't debated all that much.
The following quote is from the most popular atheist bible critic alive. From the debate between Dr. James White and the Dr. Ehrman.......author of the best selling book "Misquoting Jesus".
Most of these differences are completely immaterial and insignificant; in fact most of the
changes found in our early Christian manuscripts have nothing to do with theology or
ideology. Far and away the most changes are the result of mistakes, pure and simple—
slips of the pen, accidental omissions, inadvertent additions, misspelled words, blunders
of one sort or another when scribes made intentional changes, sometimes their motives
were as pure as the driven snow. And so we must rest content knowing that getting back
to the earliest attainable version is the best we can do, whether or not we have reached
back to the “original” text.
This oldest form of the text is no doubt closely (very closely)
related to what the author originally wrote, and so it is the basis for our interpretation of
his teaching.
The gentleman that I’m quoting is Bart Ehrman in Misquoting Jesus. [audience laughter]
There is software available by which you can check this your self, going all the way back to the original Alexandrian and Byzantine traditions and further (Paul's work is earliest and it's source material dates to with a few years or even months of Christ's death). Historians dream to have this rich a textual attestation to ancient events in al other subjects. Pretty much all 40 bible version are between 95% accurate (critics like Bart Ehrman) and 99.5% (theologians like Wright or Brown), and since virtually all errors are known, indicated, and practically none exist in core doctrine where exactly is the big problem here?
If Homer, Caesar, or Alexander, etc..... had the bible's textual provenance historians would be salivating.
You didn't ask, and probably aren't interested but to reliably establish what long lost original documents contained you need most of the below:
1. Early copying.
2. Prolific copying.
3. No early central controlling authority.
4. Parallel copying.
5. Copying over different cultures and far flung geographical locations.
6. As a bonus: Discover long lost copies that had not been seen in millennia.
The bible has all of them in spades, there isn't really even a second place. Perhaps Thucydides' "History of the Peloponnesian war may be a far off dot on the horizon but that is it.