In any dispute between two testimonies regarding the same phenomenon, we have two tests of decidability:
1- Rationality (incentives)
2 – Parsimony (occam’s razor)
If the incentive exist to fictionalize, and if fictionalism is defeated by parsimony, then the person is in fact lying.
The only time to use a god is via positiva (poetic meaning and communication) but it cannot be used via negativa (truth or argument).
The reason gods were necessary is intergenerational transfer. if gods were mortal they could not explain the long standing.
A god is just a unit of measure of the intertemporal.