The GB is like so many groups that control large swaths of people: They are never wrong, it's just that you haven't yet figured out that they are lying. The proof is in the literature - you can show that they know 607 bce is not true by following their own pubs (namely the insight books and 1 older WT article). There are no "mistranslations" when you deliberately put the wrong word/phrase in your bible when it supports your "theology." Do they even believe in a creator? I have no idea but they certainly are not honest and the magazines / books are full of purposeful evasions, revisionary history, propagandist methodologies, thought controlling tactics.
Jas 2:19 - You believe that there is one God. Good! Even the demons believe that--and shudder.
The GB does not shudder.