I remember my mother watching Billy Graham's ministries and taking notes. She was looking for gaps in his logic so that she could prove here faith as a JW. My mother was an old-school JW. She actually attempted to understand her beliefs and seek proof in the scriptures. I can't help but believe that, if she lived long enough, she would have been ultimately been able to connect the dots and see that the JW religion was a fraud.
In any event, I digress, please RIP, Billy Graham.