I agree with you Room 215, I am also saddened that there are sensible JWs out there still drinking the 'Cool-aid'.
I suppose it has to do with an important but never discussed subject: people's expectations.
It's about absorbing as fact, whether truthful or not, the relative importance and status of basic authorities. JWs expect the Bible to be God's word and they expect the GB to be God's only channel. The public indoctrination from HQ to the faithful asserts these two things, week on week and year in, year out -- feeding their expectations!
The sacredness of the Bible is not challenged and the authority of the governing body is not questioned by the JW true believer. So all Bible and Watchtower information is processed in the light of their expectations.
Splane can issue bat-shit crazy prophecies because the faithful expects him to be right especially so as the GB claim to base them on the hallowed Bible -- so what on earth could be wrong?
Gullibility is what is wrong and the absence of critical thinking is what is lacking.....not to mention an overriding fear of JW community reprisals for daring to challenge 'sacred authority'.