Db0 discusses how the Non-Aggression Principle is really a shallow principle which only takes substance when coupled with a specific view on what is or is not acceptable in a given society. Because the capitalists couple NAP with “self-ownership,” their usage of the NAP becomes a tyrannical one.
While it’s easy to understand that someone “aggresses” when they steal something from another person (which is why most other moral systems do not require a NAP to label theft as wrong), things get pretty murky when one goes beyond that. Do I “initiate force” when I use a productive machine without paying rent? How about if I pay only enough rent to cover the cost of the machine? Do I “initiate force” when I toil the unused land that is owned by someone else? How about when I trespass?
This is further complicated by the claims of the NAP proponents that the NAP does not excuse any and all acts of self-defence but is rather limited by the level of aggression. We’re informed that it does not in fact, grant the right of shooting trespassers. But this again does not really clarify the matter. Whereas in literal aggression, one is always aware of the level the initiator is using (threats, shoving, punching, lethal weapons etc) and can respond in kind, in this extended field of aggression you’re left to comparing apples with oranges. What is the correct response to someone trespassing your property? Trespassing on their property? Forcibly taking them out? Threatening to shoot them and then follow through if they don’t comply? The truth of the matter is that unlike literal aggression, you cannot discover how you can respond in kind intuitively.