Getting a person to question their own beliefs is like trying to get a gay person to be straight.
Or maybe it is more like trying to get a straight person to "try" homosexuality.
It has to do with their private identity. Their reality. Who they are. How they are made.
And...most importantly: self-honesty.
JW'S, for example, have their reality modeled for them constantly. There is no model for doubt except for condemnation and disloyalty.
Who wants to see themselves as condemned or disloyal??
Self-preservation starts with a sense of SELF.
How aware can a person be of reality who believes half the stuff JW's teach??
You are not dealing with a realist so why expect realistic response?
You are not dealing with a rational thinker so why expect a logical response?
It comes down to learned reactions: automatic responses to external stimuli like Pavlov's dog.
Certain words and phrases trigger the required emotional and physical reactions inside the Kingdom Hall.
If you don't speak that language you can't negotiate the buried land mines.
Never accuse or you are attacking "mother" organization.
LOYALTY to the GB is really what this religion is all about on a visceral and subconscious level.
JW's only think what it is safe to think.
Remember that when providing a safe listening partner for their problems.
What is a conscience for if you are told what to think?
Why were the Boreans noble-minded if they reacted skeptically by checking the facts?
Separate the view of solidarity into components: Jehovah, Jesus, GB.
Put those in proper order!
Who is the only Mediator? Yeah? Where does that leave the GB??
Divide and conquer.