As a student of human behavior I am struck by the responses to this post. I wonder if your individual responses would remain the same if you replaced the word "God" for the word "ki" in this thread.
(Note: I am not endorsing any particular position, just wondering if your scientific skepticism extends to your spirituality )
I would say exactly the same thing. "Don't try to lecture about God. Come back when you can manifest the truth yourself. Then you have earned the right to talk. Anything else is conjecture."