Does God exist is a failed campaign

For those believers, it doesn't matter that the God is real or not, they believe. And for the people who don't believe, do they care?

I joined a table talk in Alpha Church, and watched a video from Does God exist debate. This guy named Gan, and he is trying to prove Jesus Christ is not only a human, but also a God. And consider that he is the son of God, If Jesus Christ real exist as a god, the God is exist, and we should follow him. This point of view makes me really confuses. What is the logic relation between God exist and we should follow him? Negative! Thousands years ago, we have been proved Budda ( Siddhattha Gotama) is real exist. We know where was he born, where did he grow up, what did he do, we even have his body. Does it means we have to believe Buddhism? Certainly not. And this guy even trying to find some evidence for Matthew, or the New Testament. I mean, what does those book writing for?

By the way, I don't understand what this campaign for. To have more members or just create some debates?

Let think from another view, the God's view. Does God want people believe him? The answer is no. The God doesn't want us believe him, The God want us to believe what he says. He definitely don't want people believe him because he is omnipotent. He can just create some believers if he wants. The wish of the God is let us following the ethic rules he created so that we can have a better life. Church called that Agape Love.

I means, neither the God or I care that does god exist. What does this campaign for?