`titrebAre the systems conservative?`/titrebSocial systems and organizations that are meaningful subsets are fundamentally conservative. Their stabilities are their longevity and homeostasis. Culture at group level and the refusal to change the actor combine to conform the system to itself. However, homeostasis of the systems is threatened both from the outside by the turbulence of the environment, and internally by the deviations of the actor and power games.Today, open and adaptive systems should be a response and a questioning to stabilities of perennial stabilities. Faced with the immobility of the system, what can do a consultant called to change values and practices?