1. The people who feared the effect of easily available printed books were the ones who held some power, whether in terms of religion, caste, class or politics.
2. People feared that the development of print could lead to the growth of dissenting ideas because print and popular literature encouraged many new and practical interpretations of religious faith and ideas.
3. Manocchio gave a new interpretation of the Bible and formulated a view of God and creation that was not accepted by the Roman Catholic Church.
4. Some people thought that printed material would bring revolution against the existing monarchical and religious system.
5. The Roman Church even imposed restrictions on publishers and booksellers and maintained a list of prohibited books.