I grew up in Grand Rapids, two miles from Amway HQ. Working at the Amway factory (yes, there is [or was] a factory) was my first job after (dropping out of) college. A friend was the HQ tour guide for all the Silvers on their way to becoming Diamonds. He was hilarious.
It is an interesting cult. Never quite figured out the attraction; you're either the kind of person who likes / falls for MLM schemes or you aren't I think.