It's rooted in the fears to which all men are heir and, thus, deserves sympathy, not censure or laughter. The dream may be out of touch with history, but it's a good dream, and it doesn't appear to have been used to bilk gullible widows out of their savings. Never mind that we have a consistent record of slaughtering our messiahs. Look beyond the wacky arguments to the motivation - that sense of brotherhood which is all that has ever saved mankind from going over the brink.