In the decade I have been reading pg, my opinion of him is that he is like Nietzsche, or Ayn Rand or Karl Marx or Hayek or (the HN frequent front-pagers) Scott Alexander or Maciej: catnip for "free thinkers", a ready-made meal for people who crave thinking different; but ultimately fairly empty compared to the hype. Making grandiose theories, out of the flimsiest of observations, that fail at the slightest contact with reality, and only good at motivated reasoning.
Modern-day sophistry.