The author has some points but if I was one of his colleagues reading this (he works at github according to his resume) I'd hate to approach him with anything,

The author has some points but if I was one of his colleagues reading this (he works at github according to his resume) I'd hate to approach him with anything, at all. I feel like he's missing the team element in this post. Yes your individual contributions matter, but the team's delivery matters more.