Bottom line: Danger ahead. If the current trends he cites in any way suggest a future pattens similar to the one Dalio describes, we are heading into World War III and which may end with the mantel of world leadership shifting away from the U.S. and China as a result.
Of course, Dalio insists he is not saying the past will repeat itself. But clearly he is signaling the trends could lead to enormous upheaval.