Whenever you hear someone advocating “for the Greater Good,” run away as fast as you can. Either that, or take the person on aggressively. Be aware that that concept has been used by people throughout history to commit some of the worst, most heinous crimes against humanity. Adolph Hitler immediately comes to mind. His goal was to purify the human race by eliminating those he considered to be subhuman, or those he saw as a threat to his vision of purification and domination.
Read full story here: The “Greater Good”: A Raw Deal for Muggles