It seems to me simpler to think in terms of preference fulfillment than boundaries. I strongly don’t want you in my house or messing with my body without consent, way more than I want you to wear fashions I enjoy seeing. And cells might be said to desire to keep their membranes intact.
Second, I think the idea of acausal trades can be boiled down to causal reasoning. Aren’t we reasoning about the possibility of encountering a civilization with sets of values? This is just like causal reasoning about morality; one reason to be a cooperative person is so that when I encounter other cooperative people, they’ll want to cooperate with me.
A couple of thoughts:
It seems to me simpler to think in terms of preference fulfillment than boundaries. I strongly don’t want you in my house or messing with my body without consent, way more than I want you to wear fashions I enjoy seeing. And cells might be said to desire to keep their membranes intact.
Second, I think the idea of acausal trades can be boiled down to causal reasoning. Aren’t we reasoning about the possibility of encountering a civilization with sets of values? This is just like causal reasoning about morality; one reason to be a cooperative person is so that when I encounter other cooperative people, they’ll want to cooperate with me.