There is no such thing consensus of the people in any communities of nontrivial size.
In anarchy situations, whoever is capable of filling the power vacuum creates new rules - the "highly motivated and well armed" groups don't break the rules (since if they disagree, there's obviously not a consensus about those rules); they define the rules and others possibly break them.
In anarchy situations, whoever is capable of filling the power vacuum creates new rules - the "highly motivated and well armed" groups don't break the rules (since if they disagree, there's obviously not a consensus about those rules); they define the rules and others possibly break them.