system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] Could you expand on the rule of two to the point it means two groups, and not necessarily two individuals?

The Sith rule of two, one to wield the power and one to crave it thus becoming stronger if they could beat the master. But I was wondering, could you take this ideology and expand it to apply to two groups? One "master" group, and one "apprentice"? Wouldn't that be an even better system?

I mean, the Jedi already have multiple masters on their council, so it could be argued, if the Sith wanted, they too could have a council, and a series of Sith apprentices who seek to overthrow?
gpt
Sith don't want to have a council. Every individual Sith wants to be the leader of the Sith. The Dark Side of the Force is an addiction to power, to rage, and to tearing other people down. 

Sith can cooperate temporarily for specific purposes, but they're planning on betraying each other. The rule of two isn't a plan so much as a recognition of a fact about the Sith.