Ian,
I can not tell you what a generous service you provide. To myself, you helped me out in a tough bind and I am grateful. It is amazing to me how you help us all in need, and I know we all can not thank you enough.
The Dutch style tournament is an alternative to the normal, ( build a strong team and play format). The tournament promotes a single player using technique( ball control and 1v1's. While the dutch style also promotes a major mental element. How to provide the correct balance in tactics for a team, pass more and stop the dribble, or to play more defense because the other team is attacking.
In holland and other European countries the high level youth "football" leagues do promote this style of compititation at a younger age. Also during inner squad practices for fun or fitness. It might explain why they are advanced , but American soccer is learning and growing every game, it will not be much longer before we are a strong side.
All the best,
And many blessings.