I think I understand your thinking, TK. Yet, if the spirit of God operates, a person can submit while in great pain.i was wondering how one could reason with somebody in torment. it's hard enough to reason with unbelievers who AREN"T in torment.
It frequently happens in hospitals when Christ's disciples visit those who are in great pain.
It frequently happens in certain countries where people are suffering from hunger and disease.
It frequently happens in prisons where a number of people are suffering from a lot of mental and spiritual conflict, or in some cases physical abuse.
In any case, we are not certain that those in Gehenna will be suffering at the time of the visit of the saints. God may give them temporary relief, or at least diminished suffering during the times of these visits. The two combined might induce repentance when the sufferers realize what they are missing in their rebellious state.