either paper or tablet can use programmed instruction, references or links, provocative material, visual clues, or simply be well-written. The tablet has more potential for diagnostic and interactive learning, but that can be achieved with printed word alone. There have been plenty of books written with advanced organizers, illustrations, references, practice questions, indexes, and excellent organization. There are also lots of awful books (as we all know!).
The tablet also is capable of powerful simulation and audio visual examples. Maybe you could watch a scene from Shakespeare acted out in two different ways to see how acting makes a difference. That's hard to do in a book, but could be part of a class after everyone had read the book.
You may emotionally prefer one over the other (why not scrolls or clay tablets?) because of your experience and comfort, but if the material is appropriate for the learner, well-written, and accompanied by a good teacher (in most cases), the learner can use many different expressions of written word.
One theory of hand-writing and reading traditional books is simply that it slows you down so that you can pay attention, but likely no method of reading and writing is going to prove better than others in the long run. We've had dictation for centuries (maybe the Bible?). Even oral versions can be as intellectually complex as putting pen to paper. Even today court rooms, doctors, and executives use dictation, except more likely we are going to voice recognition so that even typing will be obsolete.