All the greatest poets and story-tellers never wrote down their stories and epic poems. The great Homer was an oralist. Classic texts like the Iliad, the Bible, and the Talmud were passed on from master to disciple, and from Rabbi to talmid.
Paper is very unreliable.
It rips easily, and it burns. Remember the great library of Alexandria. Besides, it is so unprestigious. It also plays havoc with education. Kids nowadays are addicted to taking notes, and relying on them.