I worked as a coach from 1997 through 2009 at a variety of strong teams around the country... I did see a devolution in the junior team culture, and it seemed largely due to parents. It seems part and parcel of affluent culture nowadays, but these kids were literally deprived of opportunities to assume adequate responsibility for their personal sailing program. The kids weren't required to look after "little details" like rigging your own boat and understanding race instructions themselves. For some of these kids, even showing up to practice on time and prepared (rested, fed, watered, appropriately clothed/geared, etc) was like pulling teeth.Years later, when hired as a private coach, I was in disbelief at what the scene had devolved into.... Sometimes 300+ boats, possibly the majority of kids not actually rigging their own boats, insane armadas of parents and South American coaches in giant RIBs shadowing the fleet from behind marked off boundaries (because if they weren't there...) and on top of that SI's that have to have verbiage that mandates coaches helping kids in distress that aren't under their tutelage.
Sailing is so complex and places a premium on technical details, more than any sport I've ever done. Dinghy racing is also physically and mentally demanding. I didn't understand how these kids were expected to be strong competitors when the junior sailing team was a glorified babysitting service.