Is the free-energy principle neurocentric?

Recently, a free-energy formulation of brain function was reviewed in relation to several other neurobiological theories (The freeenergy principle: a unified brain theory? Nature Rev. Neurosci. 11, 127–138 (2010))1. Fiorillo raises some interesting questions about the formulation from a neurocentric perspective (A neurocentric approach to Bayesian inference. Nature Rev. Neurosci. 14 Jul 2010 (doi: 10.1038/nrn2787-c1))2: