"Casaleggio explained that the aim of this new project (...) One member of the restricted group would suggest X, a second would argue for contradictory conclusion Y, and over time a third would post a variation on X—and so on, subtly driving the rest of the unwitting employees toward the preordained conclusion. (...) Casaleggio was interested in learning how consensus (...) could be manufactured in a way that looked organic."

https://www.wired.com/story/italy-five-star-movement-techno-utopians/