It’s because the Great Man theory is easy to believe and easy to spin narratives around.
The great man theory is an approach to the study of history popularised in the 19th century according to which history can be largely explained by the impact of great men, or heroes: highly influential and unique individuals who, due to their natural attributes, such as superior intellect, heroic courage, extraordinary leadership abilities, or divine inspiration, have a decisive historical effect.
It’s because the Great Man theory is easy to believe and easy to spin narratives around.
https://en.wikipedia.org/wiki/Great_man_theory