You can only go so fast when it takes 10 to 15 years to see what you got. They also don't breed true, so lots of those plants will produce uninteresting fruits.
Trees like oaks have the potential to be great producers of crops but have largely eluded cultivation, because they take decades to fruit for the first time.
Trees like oaks have the potential to be great producers of crops but have largely eluded cultivation, because they take decades to fruit for the first time.