Perhaps you are right. And if religion were not so pervasive, here in the US far more than in the UK as I understand it, I might agree that it is foolishness. But as things stand I feel it is an important question with far-ranging effects on everyone's lives. As for proving something does NOT exist, it will always be impossible. I can't prove a three-legged flapdoodle doesn't exist somewhere in the universe. All I can ever say is that there is no credible evidence that one DOES exist. And the same is true about gods. (Though given the immensity and complexity of the universe, I rather think a three-legged flapdoodle is far more likely to be real.)