You're being pedantic about the definition of culture. Many companies "cultures" are held together by a single personality, or a select few. When that person or

You're being pedantic about the definition of culture. Many companies "cultures" are held together by a single personality, or a select few. When that person or people leaves (or stop beating the drum), the "culture" dies. GitHub - much like the tool chain it's built around - has done a remarkable job of decentralizing culture. Far better than most companies of any scale, even ones much smaller than it. You seem to have read past the connection between their goal as a company - which is easy to say but hard to practice consistently, otherwise more companies would succeed at building a culture that attracts an retains like GitHub does.