That's gospel truth for you know who.
I dunno. Insofar as most scientists tend towards the reductionist - psychology is biology, biology is chemistry, chemistry is in turn ultimately physics - I'm having trouble seeing said incommensurability as much more than a convenient strawman. Folks with a bent for mysticism tend to make those distinctions, in my experience, not materialists, and the author here does not exactly challenge my belief on that score ;)