Conscientiousness is generally a key ingredient for success—in love as well as work. It's also a major predictor of health, well-being, and longevity.
-jordan petersonConservatives/right-wingers tend to be high in Conscientiousness (particularly in the Conscientiousness aspect of Orderliness) and low in Openness to Experience while liberals/left-wingers tend to have the reverse pattern (low Conscientiousness (particularly aspect Orderliness) and high Openness to Experience.
Low-Conscientiousness alone explains that the left wing should never be in a position of authority as they have a high tendency towards failure. At best they are sources of new ideas.