Okay I can get what you are saying and yes things have change, I know I and others around me did not tell everything or answered their questions 100% accurately at the first sing of interest they would let the person warm up to the ideas. If the person "progressed" then more information was given. I guess it is not the same for every one everywhere.
I will give a list of things that were not discuss with new studies or return visit ( at first ) if they would ask, tell me if this is in your opinion is accurate.
What happens after one becomes a JW and no longer accepts everything the GB teaches (shunning)
Women's position in the congregation and in their own family. (can't teach and submissive)
Children are not forced in to be in the religion.
That only JW will be saved( I know every time someone would ask in door to door every JW would answer only god can judge but they all knew that this not what was implied at he meetings)
Other things the WTBTS NEVER talks about even after one becomes a JW , I only found out after I left is the bible itself, all the verses about Israelites "keeping young virgins for themselves" ,the laws about selling your daughter as a slave, taking captive women for your self and if after a specific number of days "you no longer took pleasure in her" to let her go. The contradictions in the bible. The REAL origins of the bible are never talked about. The fact that they are a bunch of other books of the NT that never made in the bible and who decided. That the old testament of the bible is based on the Masoretic text that only dates back to the 9 century and that it is very different from the dead sea scrolls. The dates of when these book were written. Most of this is just keeping information other things are just plain lies.