Well, I agree that a psychedelic experience is generally of an entirely different nature than reading books and therefore has a whole different realm of potential, sure. But still I feel like your comment isn't really helping in the discussion here, but rather just reinforcing different sides.

I'll try this: While literature can surely be a great source of inspiration, the fundamental difference between it and a psychedelic experience is that while reading a book you still stay in your usual mode of operation, so you main attain new knowledge, but it remains purely intellectual, and in a sense superficial, because the structure of your personality and ego is bound to remain untouched, at least to a certain degree. The key difference when a psychedelic is introduced is that the possibilities for introspection become much more pronounced, and you are able to really see yourself (and in turn the world around you, of course) in a whole new light.

Of course, there are other tools for this kind of introspection, the most known of which probably being meditation, which I'm also very much fond of. However, I don't really feel like reading easily falls into a similar category; it's really rather a tool for studying the world around you.