“Of course, if we accept the above claims regarding the relationship between foundational commitments and sufficient reasons, then presumably the very idea of a spontaneous choice to relinquish or replace one’s own foundational commitments should strike us as outlandish, if not outright unintelligible. Prima facie, one could have no (internal) reason to make any such choice, and this seems to entail that no such (so-called) choice could qualify as a real instance of agency.”