False Dichotomy
People often fall into the mental trap of dogmatism, aligning and entrenching themselves into a position, denying themselves the opportunity to objectively assess an issue from multiple angles.
Politics is a good example of this. Both liberals and conservatives alike blindly follow the tenets prescribed by their political affiliation, selectively ignoring the facts that might contradict their opinion.
This piece symbolizes this disconnect, two sides chained together with irreconcilable differences by polarized ideology.