Well, in the West Marches they are. But it was a deliberate choice of the author. In my Western League game borders shifted, factions were turned one against each other and the three independent groups of players that were in the setting kept on stumbling into each other’s trails of Bullshit. More about it here: https://tsojcanth.wordpress.com/2012/12/27/concurrent-campaign-many-groups-one-weaving-continuity/