If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one.
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.
You're seriously raising the notion of testosterone as magical competence juice as an explanation worth taking seriously? This would make teenage males the most competent and convincing people on the planet.
I took the claim to be something different: testosterone is magical confidence juice, and at reasonable levels of competence more confidence leads to greater career success.