I have no further comment regarding the 607 BCE and the 539 BCE date. I will have to do some more research on that subject.
This is indeed worrying. You stated that this was an easy subject. And now it isn't so easy after all. What it shows is that the depth of your research most certainly hasn't resulted in PROOF TO YOURSELF that what the Watchtower and the organisation publishing it, has taught, and still teaches, you and many others.
Yet you want to discuss topics that are even more complicated than this one. And your comments reflect that you do not understand how 539 is just one of the lower cards in Watchtower doctrinal house-of-cards and what its effect might be on for example the teachings about 1914. You don't grasp that by understanding the REAL TRUTH about 539 and the derived datings, almost all Watchtower time-magic goes up in puff of real truth, and that it for example invalidates all doctrines that they have tied to the events that supposedly happened, visible or invisble, in 1914, whether it is Daniel 2, Malachi 3, Matthew 24, or the whole Revelations-shebang.
You might conclude that your beloved anointed friend or relative isn't living in the heaven. You might conclude that there is no paradise waiting around the corner. And since the Watchtower made you believe that your religion is not some hat for Sundays but a way of life, you might conclude that you've lived a lie. It might even make you conclude that the GOVERNING BODY CANNOT POSSIBLY BE WHO THEY CLAIM THEY ARE since their sheer existence is based on the 1914 doctrine. If that is somehow invalidated the whole organisational part of the WTBS turns out to be a fraud, not to speak about their sometimes damaging doctrine for millions during the last fifty or sixty years, or their shameful treatment of so many. These are very serious conclusions, and they may shock you profoundly. They will probably change your life completely once you accept them. They will bring freedom but accompanied with tremendous pain caused by the shunning of your former friends and loved ones.
Many here have gone this path. At first we turned our heads in disbelief, we branded it 'apostate' and we brushed it all away. Yet some of us recognized the logic and truthfulness of some of this so called 'apostate' material. We started to do some research, we asked questions to those whom we respected for their knowledge and wisdom. Yet we didn't get any answers. Our honest questions were brushed off, we were told to wait for Jehovah or similar claptrap. Some of us indeed decided to wait, to wait for long years and continued to be loyal. But the answers never came, yet more questions arose. Some decided to write to the org it self or contact some org brass they knew or met. That didn't help much either. Instead some were accused of not being loyal and having no respect for holy things. Some were disfellowshipped, others decided to disassociate.
There's nothing 'easy' in this topic, Yoyo. Actually it is only the first step on a probably sad path to freedom. If you decide to walk it you can find a lot of help and comfort here. If you don't and just continue to ridicule and fight those that have more respect for real truth than you, that's okay too. There are enough worthy opponents here for that.
You had --- and far as I am concerned still have --- an excellent opportunity here to prove your beliefs and to back up your bold statements. Answer questions 5) and 6) and I will continue spoonfeeding you more truth about 'the truth'. Until then you're no longer a credible and worthy discussion opponent, especially not in more complex doctrinal issues than just this 'simple' one --- this according to your own saying.
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Every absurdity has a champion to defend it.