They don't understand it. By the Arthur C. Clarke rule, it's equivalent to magic. When you challenge the powerful, you are guilty purely because you did something the average unsophisticated user isn't capable of.
Madness string 56518
The choice is yours. I can give you the horrible truth, or you can believe the pretty lie and go on about your lives. I'd take the lie, myself. Lies are what keep us sane, they're what hold up all the dreams and lovely things that make the worlds so interesting.