Where truthiness involves knowing from the gut, ruthiness involves knowing from the brain. In some ways it's even more dangerous than factiness, because it doesn't even require the flimsy pretense of facts.
Ruthiness is a cowardly terrorist term which masquerades as truthiness but without the 'T'. This causes many patriotic Americans to simply overlook it, which is just what the practitioners of Ruthiness want! Don't let them win fellow Colbericans: get inside their
brains guts and unleash hell. Or diarrhea, whichever is more painful.