Good post ATJ. As many contributions as you have made here I would have thought you were an old-timer EX. We're all (well, most) very proud of the steps you must've taken to make your exit.
As for me, my exit came as a result of the 1975 yearbook. I invite any here to check their own from the WT Library CD, looking for Anna McDonald's comments.
Keep in mind this yearbook was obviously intended to stem the tide of disappointment -- that is, if the 1975 hype failed -- which, of course, it did. Poor old (yes, she was recounting her feelings of some 50 years earlier about the disappointment of the 1925 prediction) sister McDonald and how they used her fuzzy recollection of those years, the Rutherford predictions and how, in his words, "certain" they were about that date.
Oh, Watchtower could have quoted Rutherford exactly from their vast library. Instead, they chose an elderly sister and her charming (and inaccurate) recollection of what they really said about 1925. This, knowing full well (and conceding that fact) that Rutherford had "made an ass of himself".
That was the very thing that got me to thinking whether we had the truth or not. From there it was like a snowball tumbling down the mountain.
Len