There won't be an exact replacement because the circumstances that led to the community cannot (or rather, should not) be replicated. For the sake of the survival of the planet/species, I also don't think any institution based around magical thinking should fill the gap.
Keep in mind that high-demand religions require a huge investment of time and money. Devoting even just a fraction of those resources to hobbies, art classes, and/or other local activities tends to yield much better social results. While this might not perfectly fill the gap, neither did the religion, which is why people are leaving it.
Keep in mind that high-demand religions require a huge investment of time and money. Devoting even just a fraction of those resources to hobbies, art classes, and/or other local activities tends to yield much better social results. While this might not perfectly fill the gap, neither did the religion, which is why people are leaving it.