Sounds great but it takes many years for a chestnut tree to mature and I'm not sure about the success rate they have had with blight-resistant
trees.
Chestnuts were the dominant forest tree in eastern NA before the 20th century. People raised hogs in the woods on chestnuts, the indians made meal
from them. The wood is rot and insect resistant and old dead snags in the smokies can be found over 100 years old but not rotted away.
It would be fantastic if we could restore the chestnut to it's rightful place in American woodlands.
I don't have the time to watch the video right now either but I can see the logic in the 4 tier system. Very promising.