Aussie Oz: "but i cant take this guy seriously. I felt like he just liked to talk, to hear his own voice and although claiming to be an ordinary man, still thinks he is pretty clever."
I challenge you to spend a few hours reading the information on his research pages at his website and then see if you have the same perception. There were times I discounted a lot of what he said, but over time, and having explored much research myself, I have come to the conclusion that when you have begun to validate certain things on your own, when you are ready to go farther, these things will make more sense to you. Sometimes when we are not ready to hear it because we have not developed the foundation or background through research and our own conclusion, we tend to turn away from possibilities that do not conform to our current understandings.
Maybe start here with the hidden roots of religion: