Also, just from a personality perspective, the crazy weightlifter types in the offices I've worked have always been the nicest people. I can't say that about the nerd's nerds (I'm in that category!).
Our company just hired a remote developer who really focuses on his physical health, and it shows. Quiet, respectful, and an A+ dev.
The article underlines and pokes fun at the culture of "asserting dominance" and "alpha (maleness)" which involves being aggressive, loud, intimidating.
E.g. "lock eye-contact with the person to your left, and do not break until they look away")
There was a guy I nicknamed Fidel, because he would go on endless tirades during standup.