Yes but they are really talking about habits/triggers there. They have another saying: "Wherever you go, there you are." The core assumption of twelve-step programs is that the problem is defects of character in the individual.
Addiction can be a way to deal with problems that you are having, which is incredibly uncharitable to call a "defect of character". There's nothing wrong with using, there's perhaps something wrong with being destructive. Those two things are not at all the same.