This guide also doesn't make any mention of the purely pie-based economy that a certain gentleman is trying to get off the ground as an alternative to the brutal [insert economic system here] that the various races/empires employ.
(The guide is excellent in every other way though!)
That is awesome on so many levels, some of which have nothing to do with the game or its world.
As a historian, I think the underlying theoretical model of history is deeply flawed (a.k.a. "a lot of nonsense" in scholar-speak ) but the effort is really great, and this would be a really fun ingame document.