That’s just ignorant. Literacy does equate with biblical literacy. There are more Bibles around now than ever before and people in general— Including Catholics and Protestants— are more ignorant of the Bible than ever.
Giants of biblical scholarship like Jerome, Augustine, and Aquinas (to name just a few) dispel the notion that there was never any serious biblical interpretation and development of understanding until widespread literacy.
I agree that an illiterate person can still be biblically literate but such person is dependent upon others... AKA clergy but clergy have a checkered reputation
Giants of biblical scholarship like Jerome, Augustine, and Aquinas (to name just a few) dispel the notion that there was never any serious biblical interpretation and development of understanding until widespread literacy.
Whose teaching did those you cite rely on the most, Peter's or Paul's?