That is the standard response to a question that cannot be answered by referencing a watchtower.
Wait on jehovah! Don't doubt. If you doubt you must be spiritually weak!
It is a clever ploy. It means that very few will openly express their doubts otherwise they will be seen as spiritually weak, and not a good associate. It is a close jump from that to being DA'd or DF'd and let the shunning begin.
Emotional blackmail of the worst kind perpetrated by an organisation that professes to show love and compassion.
What a load of **************!!!!!!