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GCD will be here soon to tell you how wrong you are.
Pretty sure I read somewhere that they aren't CG approved because that requires no loss of buoyancy over a longer period of time. My thinking is that if I fall through I'm not worried about bouyancy after 30 minutes... I tested out my striker lite bibs in a friends pool when I got them and they float very well but definitely not as well as a mustang suit (which is horribly uncomfortable). Love my bibs and will replace them with predators when they wear out.
Ill just drill an auger hole in one of your legs next time we are on the ice together, then your wish comes true.