Exactly. A vague and general population study just tells is that dark traits are on average not helpful, it doesn’t tell us anything about outliers. Someone w

Exactly. A vague and general population study just tells is that dark traits are on average not helpful, it doesn’t tell us anything about outliers. Someone with dark traits and significantly above average intelligence, or inherited wealth, may be able to avoid the pitfalls that otherwise prevent such people advancing. Even if such people are very rare, e.g. 1 in 10,000, they would have an outsized influence, so we should be as interested in the outliers as the general population.