I only make that statement, because for many years I served as wt & bookstudy conductor.
During this time, very, very, very few could understand the significance of wt doctrines and even fewer were willing to give it serious thought.
Age has little to do with it.
Many are afraid to allow even the thoughts to develop because of the snowball effect that it may have on their lives.
So very true! Especially in foreign-language congos.
Once a frustrated WT conductor too,
Nvr