One of principle I follow is never rely on others’ people goodwill. and always expect other to be evil when it is possible. In quote , type of evil falls into incompetent evil and irresponsible evil. Putting this principle into practice, one must understand structures that govern behavior of people given a particular pursuit of goal. In this scenario, I refers structure as git log and a particular pursuite of goal as learning and understanding a piece of code such as open source code.