Obviously you haven't got what it takes to be a triathlete. There definitely is a problem. The problem is this. Joe Triathlete buys a "superbike" for $10K that has its brakes integrated into the frame. The brakes are a hassle to set up and they work like sh!t. Now an ordinary person might think that the solution would be to use a standard Shimano brake. It would be relatively cheap, work great, and any aero detriment would be very small. Those people are not triathletes. The correct answer to the problem is to use a $750 brake that does not work any better than a standard one. The new technology, even though it has no advantage, is high tech, cutting edge, and worthy of a large price premium. The truly dedicated triathlete will then spend his time convincing others on Slowtwitch that the brakes will save time on the bike leg because you will be able to brake later into corners.
Of course they will have already spend their money before they deal with the hassle of travelling to an Ironman and finding a shop to bleed their brakes.