Before I completely lose steam, I am going to give you my notes on some later chapters of the Rule, and then my final posts will by ch. 73 (the end), Benedict and the Bible, a Benedict overview, and then a Benedict round-up. That will hopefully have this series done by the end of the next week.
Chapters 68, 69, and 71 are about obedience beyond the abbot and the Rule. The monks are not to band together in rebellion. This is a thing that happens every once in a while; it happened to Benedict (see Gregory the Great, Dialogue 2), it happened in a nunnery as discussed by Gregory of Tours (History IX.39-43), it happened to various monastic founders and reformers throughout the Middle Ages.
As I say, obedience is not only about abbots and Rules:
The brothers must also obey each other, aware that it is by walking along the path of obedience that they will reach God. (ch. 71)
Given that we are called to mutual submission (Eph. 5:21), to be the servant/slave of all (Mk 9:35), obedience to fellow Christians seems only like a natural extension of biblical teachiong.
On a different note, I ask this: