That the religious, both communally and individually, are happier, and dramatically healthier, both mentally and physically, as well as better adjusted, more resilient and more prosocial in their habits, also does not prove that religion is true. But it suggests that we and our societies function poorly when we neglect it, and that human thriving and fulfilment depend on it to a considerable extent. The evidence on this deserves to be better known.
Dr. Iain McGilchrist, The Matter With Things, Appendix 8
To the above could be added that Church activities brought people together who otherwise would not have associated with each other. That's beneficial for those involved as well as for society as a whole.