First question is, did anyone claim their models would have predictive power, and what sort of uncertainty margins did they set. Economics and other social science modeling is not &#x27;R square &gt; 0.9, let&#x27;s go to the pub!&#x27; (apart from the fact that a regression model is not even a model as it applies to most processes from these fields, but that&#x27;s a different discussion...).