NetDoc once bubbled...
we don't live in a perfect and completely logical world. Really.
Each and everyone one of us has faults and shortcomings (me probably being the worst of all). Some of these are expressed in some individuals as an illogical rejection of certain items including gear choices.
Finding a good instructor is tough. You might need to put up with a bit of "crap" in order to get one suitable. I bought my second set of wings just because I know that MOST cave instructors hate the "Bungeed Wings o' Death". I have enough foresight and acumen to NOT cause controversy where it might have a negative effect on my training experience. It's part of the "Let Sleeping Dogs Lie" theory of diver training. You don't have subscribe to that theory, but I do. So yes... I am serious.