and this developer diary for Fallen Earth discusses many of these merits for their own story.
For Fallen Earth, this seems to be the role that the White Crow Battalion fills for players. As a mercenary group, they don't appear to fall into a faction -- or at least we don't think they do. Considering the opening moments of your newly created character's life revolves around picking up a weapon to stop the merc group from blowing your brains out, we're sure most people won't want to make nice. This excludes the particularly masochistic players, of course.