At least in my experience, their conclusion tracks correctly. If both sides of the aisle are so diametrically opposed, to be a moderate is to want nothing to change, which generally means you’re of a demographic that is unaffected by negative policy from either side, which leads to being low information and low engagement in democracy. The moderate is the position of the status quo, and at least in my experience means they will vote against any change in either direction because they don’t want to have to think about things changing, even if it means voting against someone that could help them in the long run.