In the business world, this kind of institutionalized dissent is becoming fashionable. Rather than discouraging gadflies, some companies have given them exalted status. To avoid groupthink, some have adopted a method called “red teaming,” in which a team working on a project will designate one person, or a small group of people, to make the most forceful argument they can muster for why the idea that’s currently on the table is a bad one. By embracing dissent in this way, these companies believe they’re better able to protect themselves from thoughtless agreement and complacency.
This is hearsay. Walker is using an article or something to report on something he hasn't experienced. No specific examples
