I think for this type of thing to really change things, they need to concentrate on calories and nutrition. Things like peanuts and potatoes.
I also think there is some room for permaculture. Such as replacing ornamental city landscaping with productive food forests.
They need to make stuff that grows fast and has a relatively high price. Potatoes and peanuts don't particularly match either of those criteria.
I think for this type of thing to really change things, they need to concentrate on calories and nutrition. Things like peanuts and potatoes.
I also think there is some room for permaculture. Such as replacing ornamental city landscaping with productive food forests.