Great teams are marked by a visible conflict of ideas rather than smooth surfaces or rigid polarization. Defensive routines, habits that protect us from the embarrassment of exposing our thinking, are self-sealing and act as a shifting-the-burden fix for the need to learn; the leverage is to make them discussable by self-disclosure and joint inquiry rather than by confronting others, backed by a shared vision and commitment to the truth about what is happening inside the team.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.