You missed the whole product aspect of the business itself. What better business model can there be than a product you never have to deliver (Heaven) for a tenth of someone's wages, and getting people to VOLUNTEER to deliver it for you?
It's pure genius. Anyone that writes a bad review gets shot or burned or run out of town.
Then, there's the government lobbying side. God is the marketing department for the Town Meeting, where everyone 'agrees' on what is 'good' for the community (and who they get to kill for resources to build the brand).