I would say that the only pruning of the graph which matters is that which is done by your fellows.
An orchard atop a cliff presents an equal challenge to all. Some might have the ability and desire to scale it, some not.
What is the difference between a fence around an orchard and a threat of insurmountable violence if you enter the orchard? Either way it is someone else restricting your freedom, while they retain that same freedom for themselves.