Ask them to make a public apology for teaching everyone with certainty that the 1914 generation was a literal one and then doing a backflip on that. Ask them to apologize to all the children who were told that they wouldnt grow old in this system. Ask them personally how they can sleep at night knowing that they terrorized children with their lies.
Here's a good one, ask them where they think all of the WT donations go to, a billion dollars a year and not even one food pantry to help starving witnesses.
Ask them "If Jehovah's organization is spirit directed, why so many mistakes?" Ask them which spirits direct them.
Hey here's one--- Ask them what Theocratic Warfare Strategy means to them, and if they have ever used it, ask for some examples.