I'm still in technically, but my mind & heart are far, far away.
But to answer your question, what made me realize that it's a joke is when I started to see that when you get a glimpse at what goes on at a administrative level (elders, MS's, departments, etc.) you see that in reality it is no different than any other man-made institution. Maybe Russell had good intentions, maybe not. But either way, like any human organization, once it gets to big, it turns into the very thing that it was against when it started. I realized that this is why Jesus told his disciples to be "no part of the world". He was pointing out the danger of human institutions, especially those who profess to channel God's will. I'm not saying that other religions are any better or worse than JW (although Christmas sure looks fun) I'm just saying that when you really look at it logically and unbiasedly, it's the same ol' formula:
1st Man tells 2nd Man that God speaks through him only, 2nd man believes it and gives first man all his money and allegiance.