Greetings.
I have to say that 11 pages thus far is an extremely strong dose of eschatology, some of which has been administered many times.
I have poked my head in every once in a while to see where things were going, but I probably missed some pertinent points. Still, perhaps on reflection, I am puzzled by a couple of things. And then reading over the debate a couple of questions arose in my mind. So here goes:
1. Since the topic is presented as "Analysis of anti-607 BCE Rebuttals", how is it that it immediately presents an argument for starting a clock at the year 609? The title is not exactly double negatives, but it is as confusing as the wording on an election proposition vote. I couldn't tell if the topic is a "vote" for or against a 607 fall of Jerusalem. And having the introduction conclude "quid erat citatandum" that things started in 609... What gives?
2. Some time ago, after noting this particular chronological discrepancy along with others vs. secular sources, I did get around to reading Gentile Times Reconsidered and noted as well that Ray Franz had a hard time collecting any evidence for the 607 argument (CoC). So after mulling this around a bit, I used some some astronomical software to re-calculate some lunar eclipses cited in Babylonian records before and after the presumed siege date and attributed to Nebuchadnezzar's reign. What do you know: it worked and it was consistent.
3. I also noticed that the Assyrians had a habit of destroying cities for 70 years. So habitual that they had a due process about it, invoking Marduk and then rescinding the sentence when they decided to rebuild. In this case, Sennacherib destroys Babylon - I mean really destroys it - and then Esarhaddon decides to rebuild it by re-reading the proclamation upside down so that it reads 11 years instead of 70. The point being is that Jeremiah was a bit imitative in invoking 70-year sentences.
4. But Jerusalem and the Temple get re-built. And it is rebuilt with gusto. And another funny thing. Nobody in the OLD TESTAMENT ever mentions anything about the possibility that it will get smashed again. Maccabees certainly give an account of its desecration. And Daniel does the same thing in a veiled sense. But I am not aware of OT prophets warning against it getting pulled down again. And this is a really big deal, right? I mean, ask the writers of the Gospels in the NT.
5. Now speaking of the New Testament. Let's consider what they have to say about the destruction of the OLD TEMPLE and Babylon. I don't think they have much of anything to say about it. Whenever they were writing or getting edited, they were concerned about the NEW TEMPLE getting leveled by Romans. They do speak of Babylon a few times. Mostly in Revelations. And in context it is hard to connect Revelations with the Babylon of the OT, other than as an epithet to hang on Rome or someone else. Babylon is mentioned by Matthew in terms of geneaology. Stephen the martyr in Acts gives a long speech in chapter 7 where he mentions how the people of the covenant were removed to Babylon. 1 Peter claims to be written in Babylon by Peter. ... Now how do you like that? What was he doing over there? Was it Jeremiah that said that it was destroyed forever? Or was that Isaiah? Or was it both of them? Well, maybe he was calling Rome "Babylon" because... Rome was acting like Babylon, because Rome knocked down the Temple just like the NeoBabylonians did. ... But the trouble is, if this was all obvious to Peter's audience, then he must have wrote it after he had passed on himself. Or he had assumed the readers had read Revelations, perhaps. ...Odd.
But on that last point, I'm digressing a little. What this should show is that the New Testament is rather silent about cycles of 2520 years. Instead we have a very massaged Old Testament talking to apocalyptic people in the 19th, 20th and now the 21st century largely bypassing the NT and making Christ's life and passion a brief visit before he really gets down to invisible business after 1914.
If a writer named Ezekiel or Jeremiah says something about cities disappearing for decades or forever and there is alternative evidence, then we are confronted with a dog wagged by its tail. If Ezekiel said Tyre or Egypt fell, then it must be true. And if Babylon was destroyed in similar pronouncement by agency, I presume, of Cyrus, then it must be gone. This is the foundation on which one can base the transpiring of other invisible events. Evidently, all one needs to do is climb to a seat of authority based on invisible event consequences or invisible step two and dare anyone to even think otherwise.