The idea that people with darker personalities will succeed may also be a perception bias. According to this article we are talking about 20% of people with so

The idea that people with darker personalities will succeed may also be a perception bias. According to this article we are talking about 20% of people with some degree of "dark traits". Of course a group this large will intersect with the most successful portion of the population. And, successful people with bad traits are likely to stand out in peoples perceptions.