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.<p>I feel like he's missing the team element in this post. Yes your individual contributions matter, but the team's delivery matters more.
One of my defenses is being helpful in a way that always makes a record trail. (Not entirely cynically, sometimes my own notes from two years ago are very valuable.)<p>"There's no ticket? I'll just make one real quick. The steps I used to generate that report for you are on the ticket so that another developer can do it next month. Oooh, this might affect team X and Y, hold on a second while I check with them..."