Star Wars isn't science fiction, it's space opera - the fantasy equivalent of the western's horse opera. What scientific principles it employs don't have to make sense scientifically; they only have to make sense and be consistent within the framework of the story. How a lightsaber functions, for example, is far less important than what it does
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'