Some religions aren’t really over the moon with dogma and mostly just loosely hold a community together. Try a Friends meeting sometime and see what you think.

Friends -- aka Quakers, for anyone confused.

https://simple.m.wikipedia.org/wiki/Religious_Society_of_Fri....

If the sense of purpose isn't there, usually the "community" behind it is shallow.

I'm not saying only religion offers a sense of purpose. But just a bunch of nice people in a building talking about being nice doesn't often work.

True, but you never quite know whether people are adopting a pose for the sake of belonging or really really believe.

From my own experience, I'd guess 50pc or more don't really believe.