Fair enough but that was when there were three fairly equal city states all with legitimate and stable rule. Does it really make sense for Merlwyb and Kan to keep working with the monetarists as an equal and trusted partner? Gridania doesn't seem to have much of an internal political struggle but for Merlwyb she would certainly want to make sure that the pirate factions and Limsa population in general don't see that having a coup would mean nothing changed in relation to the alliance and that they would happily be welcomed to participate as before.