I think people (including myself) are afraid of the unknown. Specifically about what happens after death. Also we are social animals and as such, love to be on teams. If it wasn't religion; then it would be something else. In life you can see this in many other facets. Sports, politics, etc...
New here to the forums but have been "lurking" on the outside for awhile. I consider myself a freethinker (A good one remains to be seen ;) ) and though I may not be religous; I still am spiritual and am open too new ideas. Hope to meet many of you and look forward to many interesting/thought...