I have to warn that this is a work in progress and the authentication issue seems so massive that someone please alert the friendly trolls
This permits several factions to develop and align behind different views, and for those who choose a faction or a point of view defined by a faction on one issue, it permits buy or not decisions to be made clearly. Without this facility, there will be less "green light" and "red light" clarity, and more "yellow light" ambiguity.