Perhaps if you were "open minded or understanding or willing to listen to what [others] have to say before discrediting [their] opinion without any convincing reason", there wouldn't be so much heat.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'