No, I don't think that's the case, and that might be more creepy than if it were.
When I was a devout jw, I didn't think it was BS. I may had a question here, a question there, but that was all. I was completely devoted, in heart and mind. Having attended the MTS and served in various assignments, I could see that the same applied for most of the high-up jws I had contact with. They were sure about everything they believed and practiced. I am pretty certain that that is the case for every CO and Branch committee member, and for most (if not all) the GB.
I said that that is more frightening than if they weren't so sure: You never know at what extremes a man will go if he has absolute views. He is worse than a hypocrite. A hypocrite may be abhorrent, but he does not lack logic: he knows where to stop. A fully convinced delusional does not know limits. He will do EVERYTHING to serve his 'godly' mission. He will put in danger himself and others. He will not hesitate to sacrifice any of his followers if that's ''what it takes''.
If that description reminds you of GB, who change back and forth their policies even though lives get in danger (mentally and physically, as in blood issue), then it rightly reminds you of it.