I was curious about your comment, and I think I found the article you were referring to. It was a 7/19/15 NYT article ( http://www.nytimes.com/2015/07... )
Here is a direct quote from it regarding the efficacy of the Zappos holacracy:
"Pressed for instances of Holacracy’s achievements at Zappos, employees could offer only pedestrian examples. Mr. Hsieh had shut the bridge connecting the office to a parking garage, hoping staff would experience more serendipitous encounters if they all used the same entrance.
But that meant employees had to venture onto the seedy streets to get to and from their cars, leaving some, especially those working late shifts, feeling unsafe. So one employee proposed that the bridge be reopened, a motion that was accepted by the circle that controlled campus operations, essentially overriding the C.E.O.
Or as a Zappos spokesman described the process, using Holacratic terms: “An employee (unknown) brought it to the road block role with safety being the tension. The road block role then took it to the grease and disrupt circle where it went through the process and was eventually passed with no objections.”