Explaining the top 1% is exactly the goal of the article: "Could the differences between the very rich and the hugely rich [...] be the result of pure, dumb lu

Explaining the top 1% is exactly the goal of the article: "Could the differences between the very rich and the hugely rich [...] be the result of pure, dumb luck?" So if the model you're looking at indicates power law distribution at the top, that seems to lend further support to the author's thesis.