I’m just not impressed by what he writes about in regards to “universal principles of world history”. His credentials don’t make me assume everything he writes is true and what he writes is long winded and obvious.
He would be the first to tell you to do your own research. Not sure why you attribute prophecy to Ray's writings; he has repeatedly said to consider all information.
I'd read his books on debt cycles. It's novel thinking. Not necessarily correct, but fairly well-researched and presents data in a different view. Nowhere does he say to take the advice as gospel.
It's a short, introductory LinkedIn article. If you want more depth, start with his recent book on debt cycles. I'm guessing his next book will have more as well.