Succinct Litmus Test for Religions

Is your organization a religion, or a cult?
I think this is a good test.
"If, on appropriate occasions, the members tell, enjoy, trade, and/or devise transgressively funny jokes about their denomination, it’s a church.
If such jokes reliably meet with stifling social disapproval, it’s a cult."
In other news, the current rabid right is a religious cult.
Subtlety is not one of my strengths