Well, that is his opinion. Personally, I believe in evolution. But I like his point about how it cannot be tested. That doesn't mean that it is wrong. Like I said, I believe in evolution. No matter his personal beliefs, the article is a very interesting article, and makes a very valid point. And along with the wikipedia article the point is that just because something is not testable, does not mean that it is untrue. But just because science has limitations, doesn't mean that everything is true, like creationism for example.

Science is great because it is foolproof. It can be verified. It can be trusted. It is objective. It deals in facts. That being said, it is important to know that it has limitations. And I believe that science has been consistently expanding its limitations since its inception. So it is interesting to see where it will go.