If I understand you correctly, you're saying AGI has a soul?
It feels to me that he's saying AI could fill the role of the clergy in making people repent for their sins and thus absolving their souls. This would make the spiritual leader that brings about this "mass-salvation" one of, if not the most succesful vessel of god.
Imagine the cultural impact of having AGI turn billions of people to <whatever_religion_you_preach> 24 / 7.