I would add two to the list of positives that I mentioned to Peeling in the course of conversation:
Originally Posted by Another opinion
- sense of community and friendship is often felt ("fellowship")
- enjoyment of artistic aspects like singing, music and art.
While such positives can also be found in non-religious sources, many people glean those positives from religion nonetheless.
A negative would be (and you may feel you already have this covered)
- exclusivity in some cases, and therefore making exclusivity justifiable in peoples' minds.
“We must reject the idea that every time a law’s broken, society is guilty rather than the lawbreaker. It is time to restore the American precept that each individual is accountable for his actions.” - Reagan
"A young man who wishes to remain a sound atheist cannot be too careful of his reading."
- C. S. Lewis
"I suffer more harassment as a former homosexual than I ever did as an out and proud homosexual." - Greg Quinlan, PFOX