The problem with fruits is that they must be eaten tree ripe to get the full nutritional value. Most of the nutrition is lost if it is harvested green and ripened later. Commercial fruits are always harvested green. It is also very important to eat fruits grown organically. Side effects of a diet rich in fruits and nuts are wealth, health,and freedom.
Lets explain each.
Since fruit and nuts are so efficient and big trees produce so much one tree or less per person could feed the world. If we share our trees with each other we would have plenty of food for free. A fruitarian needs very little food and his nutritional needs change, because his system works at maximum efficiency. With free food we would not need to work to survive. If we abandon our present agricultural practices, there would be so much vacant land that it would be cheap.