But you make it sound as if every interaction with someone always has the potentiality of becoming a rigorous contractual engagement; when society does not work like that.
Just take a look at what's happening here in this website and in many zones under these open source platforms. The payout is not on the arbitration of money, rather it is the act of giving your intellectual property for free where real value is emphasized.
RE: So I encountered an Anarcho-Communist and this is my discussion/debate invitation...