Theism as the opiate of the masses? as a club? as a status community?Theism is not based on what anyone knows, or can know about the nature or existence of "God". It is based on the positive result that comes of placing faith in something that we don't know to be so. And that positive result is the "evidence" that the faith, works (not that the God, exists).
OK, I can see that. Most theists couldn't intelligently discuss their own religion. Most theists don't belong to a particular sect because they've critically analyzed any objective evidence. Most churches are more social groups than philosophical societies.