Perhaps due to the terminology being used in political discourse, with "left-wing" politics, and "right-wing" politics (which as far as I know originates from English parliament, where the government representatives would sit on one side of the room, on the left of the speaker, while the opposition would sit on the opposite side, on the right of the speaker, or was it the other way around...), which is often visually depicted as a line from left to right, the term "centrist" has been concocted for those who do not adhere to either of the two extremes. Perhaps because of this one-dimensional picture, with the "centrists" being on the center of the line, equally apart from the two extremes, it's often thought that "centrists" are either people who are undecided, or who are for compromises, for "listening to both sides", for appeasement between the two extremes. People who don't really have strong stances and opinions o...