" it appeared the main thing in his belief system was the thought of being with mom again in "the new system"
Yes, this has a tight hold. The resurrection. We have a family member that I believe has doubts but this resurrection "hope" really has a strong hold on him staying in the cult.
WT uses fear to keep em in. Leave and you now have no hope of seeing dead loved ones again. It's the carrot that WT uses to keep the sheeples in!!