Why does it imply that? You only need one side to consistently antagonize the other and turn everything into us-vs-them rhetoric. The other side can either choo

Why does it imply that? You only need one side to consistently antagonize the other and turn everything into us-vs-them rhetoric. The other side can either choose to ignore it, try to maintain higher-level discourse, or start playing the same game; the end result is still the same. I don't see why a bipartisan conspiracy would be required.