Why will Christ's coming kingdom be so glorious?

Les teaches that when Christ sets up His kingdom again, it will be a glorious kingdom because it is a kingdom of one. Christ will have absolute power; there will be no confabs and no consensus. By contrast, human government and democracy, while greatly valued, are poor at getting things done because decision-making is weakened by the number of people involved. The empires pictured in Nebuchadnezzar's image became politically inferior and weakened, and Nebuchadnezzar himself, like other dictators, was a despot and totalitarian. Christ's kingdom will be glorious because one ruler with absolute power will act without consensus.