Corollary to that: If enough factions are in conflict, it can lock the entire system.However, having two or more factions with their influence fixed can leave less room for movement among the other factions.
Depends on the distribution of the influence. If one or more potential adversary is tied up in conflict with lowish numbers, the time can usefully be used to boost a favoured faction without competition.However, having two or more factions with their influence fixed can leave less room for movement among the other factions.