The general who wins the battle makes many calculations in his temple before the battle is fought. The general who loses makes but few calculations beforehand.
What we have found over the years in the marketplace is that derivatives have been an extraordinarily useful vehicle to transfer risk from those who shouldn't be taking it to those who are willing to and are capable of doing so.
Now, occultism is not like mystic faculty, and it very seldom works in harmony either with business aptitude in the things of ordinary life or with a knowledge of the canons of evidence in its own sphere.