Holacracy actually has way <i>more</i> structure than a hierarchy. Just look at the constitution (<a href="http:&#x2F;&#x2F;www.holacracy.org&#x2F;constitution" rel="nofollow">http:&#x2F;&#x2F;www.holacracy.org&#x2F;constitution</a>), or read about the rigid way they conduct meetings.