Anyone willing to accept fibonacci as a valid tool for trading cannot discard this topic so easily. Fibonacci after all is a mathematical representation of the natural order of things, the golden section of course is shown to exist from sunflowers to the breeding patterns to sheep to the proportions of the human body. You can't accept one theory that spawns from the natural world, and so easily discard any other.
You can quit and they won't care, but you will always know.