This he does . Yet I'm going to argue that ultimately he doesn't treat consciousness itself seriously enough. Only a strategic but presently taboo extension of the empirical method even ruffles the surface of its mysteries. Of course, it's easy to allege a priori that extending the empirical methods of science to the varieties of subjectivity itself simply can't be done. In the physical sciences one can typically abdicate intellectual responsibility and defer to the authority of specialists.
Experts can do most of the dirty work on one's behalf.
Life is short and the cognitive division of labour exceedingly large. On this front, no breakthrough is presently in sight.