Identifying false religions.

What steps would you take to identify a false religion?

And the unmistakable identity of this messiah is ....

So Cyrus was wounded and killed for the transgressions of the people as per Isaiah 53, etc, sold for 30 pieces of silver, had his clothes divided among the soldiers, as per the Psalms, came back from heaven, landing on the Mt of Olives, as per Zechaiah, had all nations coming up yearly to Jerusalem, his headquarters, to honor him, etc? Is that what you're alleging, Dr Adequate?

Question: If the specific god under consideration is immaterial and wholly empirically undetectable how can it have originated as a human concept from anywhere other than the internal workings of the human mind?