Despite Miller’s claims, neither human reason nor free will evolved because neither is generated by material processes.
Maybe there is no evolutionary explanation. There is certainly no discernible natural-selection benefit.
Blindsight is the remarkable ability of some blind people to sense objects that they cannot actually see.
The wish to demote, punish, and degrade ourselves this way, a neurosis special to our modern culture, is itself, ironically, a tribute to human exceptionalism.
Our brains have vastly more ability than is needed for survival, most notably the capacity for language and abstract thought.