That was an interesting angle to comtempory American social order.
Another angle is that red vs blue are really not that geographically divided. Yes there are states that have voted one way for many election (thereby making the party primary the more important election). But within those states, there are many counties consisting of the minority persuasion. If a civil war were to happen, there would have to be a massive displacement of people. The economy could not handle it. The civil war would be replaced by local anarchy.