When people understand what is expected of them, company politics are minimized. Employees can focus on the job at hand. Notice that none of these rules sets out to win company harmony or bring peace and justice to the world. It is the merit of ideas, not who comes up with them, which rules. Nor is it democracy in the work place.
Fair process pursues the best ideas from whatever the source.
And it works. The authors use two examples, both from the same unnamed elevator company. Because time was tight, they used the old method of handing down edicts from on high. The result was a disaster that took months to get over. The second time, in a union plant resistant to change, they used the fair process.