Compare his stuff to the work of Kamasi Washington, Mary Halvorson's groups, or Shabaka Hutchings, or Christian Scott aTunde Adjuah, and you hear an enormous difference in the sheer craft of songwriting, emotional dynamics, and storytelling through their instruments.
He's clearly a virtuoso at a kind of playing the instrument, and he's extremely good at explaining music theory and concepts, which is a rather archaic and unique language all its own, but I don't think he's quite there yet for songwriting.