How do you feel about religious debates?

I think it’s pointless. Non-religious people, you’re never going to convince religious people to not believe in god. Religious people, you’re never going to convince non-religious people to believe in god. I understand the need to voice your opinion but many posts have the feel of: “I’m right, you’re wrong, you’re ignorant if you don’t think like I do”. I’m not saying this is only Fluther, but any discussion board you look at, it’s flooded with religous debates. So aside from just voicing your opinion, are people who ask these questions really out to change people’s mind?