I don't think he needs excuses but his errors and political biases pale in comparison to the systemic hypocrisy and gross inadequacy of an entire profession. Somehow the astrologers advising the emperors du jour have managed to declare themselves scientists and even receive Nobel prizes [1].

The hope is that others will manage to pick up the thread of inquiry and somehow integrate his historical and anthropological observations into a more truthful type of economics.

[1] There are always exceptions. A tiny number of economists do seem to grasp the nature of debt and money better than the vast crowd regurgitating banalities.