What human purpose does religion fill?

[robvalue]

That's a difficult question. I try to encourage rational thought, and the thorough evaluation of all beliefs as far as possible. The truth will then take care of itself. I want to help people think clearly, not tell them what conclusions they should reach.

In the case of religious beliefs, I wouldn't randomly confront people to try and deconvert them any more than I'd want them to try and convert me. I think it would be rude, and also not very likely to work. I don't generally take part in deep discussion with someone unless I think they are genuinely interested and really want to discuss it.

If their religious (or other) beliefs are actively putting themselves or others in danger, then I'd try to point this out to them.