What consequences of typography did people fear the most? To what extent, in the 15th and 16th Centuries, were these fears justified?

In the early sixth century in Rome there was the practice of keeping a record of the lives of popes in what was known as Liber Pontificalis. "The orthodox collection of these lives was continued well into the Middle Ages and is a standard historical source, whose value for popes, from the late fifth century onwards particularly is well known" (O'Donnell 38). But these writings in Latin Christianity were confined to a well-educated, powerful minority (papacy/clergy) who used "the written word with sophistication to organize and control their world" (O'Donnell 38). They used these (often for…