The architects in our merry band could offer an expert's take on the question, but why wouldn't you be able to integrate accommodation for junior play into design of ANY golf course, no matter how great? Now the forced carry situation might require some creativity, but most course designers could overcome that one.
In my view, the critical component, for the health and gradual, sustained growth of the game, is commitment to providing enjoyable, approachable opportunities for youth and adults, to gain exposure to, and learn the game. This isn't some initative de jour mentality so often put out by the game's administrative bodies. It would seem that a more comprehensive, cultural return to a true passion for golf, not just what profit can be derived from it, would be a good start. That, and embracing the fact that while it is a hard game, it can be fun, and enjoyed even more when shared with friends.
Think about it, how much money and resources are spent by course owners/operators and golf administrative bodies to conduct Championships? Plenty! All that outlay, for what, 5% of the total participating numbers? While I greatly appreciate, have attended and also participated in many of these top competitions, how much does this theatre really do to improve the game for the general player?
If you look at it that way, it's easy to see why the game struggles for general acceptance and growth. The resource and talent investment in what REALLY should be the focus...improving the OVERALL health of the game and opportunities for folks to be drawn to and find the game at affordable levels... is often lacking.
I don't blame the architects, though I hope they try and educate clients when possible. This isn't easy in many cases, as those with the money to fund course construction often have egos and ideas that run counter to what is most practical. All one can hope for is that the lessons of the current re-shaping of the game's landscape, both economic and environmental, don't revert to a path of the past.