I may not know every single little detail about some subjects, however based off of what I do know. I am allowed to form an opinion. You don't like my opinion or some of my beliefs, fine. I could give two craps.
With that being said, when I gain new information from someone who actually knows how to discuss something instead calling the other person retarded, etc. I will listen to their side. It may or may not change my opinion, at a minimum I will know and understand their strong feelings in that particular subject.
Again, stating my opinions nothing more. Not claiming to be an expert or anything along those lines. UNless I do love the people here who act as though they know everything when they don't. I also love the people who admit they don't know anything about a particular subject yet love to chime in and try to berate someone, joining the message board mob.