To be honest, it seems very superficial to me - like most philosophy. It starts with an arbitrary premise ("the brain wants to process symbols"). Since the premise is arbitrary, it doesn't help me at all. To me the interesting bit is "why does the brain want to process symbols". Which is probably better answered by evolution theory than by philosophy. Another example of the shallowness of philosophy: "I think, theref…
I think that there's various parts of philosophy, and not all topics will interest any given person, nor will the work of all philosophers. Maybe various institutions (like universities and priesthoods of professional philosophers) promote practices one doesn't like, like big software companies enforcing only Java-the-language. But I think the subject naturally attracts people who ask themselves why they're doing what they're doing, and other such questions.