"On the other hand, Democrats have been the faithful stewards of policies and applied social pressure that the leftist fringe of the party has placed before the real-world issues affecting most people."

The current prevailing priority of the duopoly is extremism. Apparently, the rationale is that driving the Democrats to the left and the Republicans to the right will eliminate the moderates who determine which party wins. The duopoly has created an opportunity for a centrist third party to claim the moderates. The widespread implementation of ranked choice voting would enable a centrist third party to compete with the duopoly.