If this is accurate, or even partially accurate, it indicates male aggression is cultural and inherited through social learning.
Testosterone doesn’t do what you think it does, according to surprising new research
https://www.psypost.org/testosterone-doesnt-do-what-you-think-it-does-according-to-surprising-new-research/
"It remains possible that longer-term testosterone changes, different delivery methods, or studies involving women or older populations might yield different results."
Study: https://www.sciencedirect.com/science/article/abs/pii/S0018506X24001843?via%3Dihub

Testosterone doesn’t do what you think it does, according to surprising new research
Can a testosterone boost turn you into a risk-taking, competition-loving alpha? Not so fast. Two large studies suggest the hormone has little to no effect on men’s confidence, competitiveness, or risk-taking behavior.