"He goes on to note that while the Guardians are given class names that sound vaguely villainous, Hunter, Warlock, Titan , the enemies are called things like Knights and Wizards which have more heroic connotations."
"The idea is that the Guardians are raised from the dead by AI Ghosts (not the most wholesome of origins) to do the Traveler’s bidding through the voice of the mysterious Speaker, might actually be doing the omnipotent force’s dirty work by purging the galaxy of life"