IP -- partial ownership of object/rent of information?

No, the argument is that your assertion is wrong. A policy of everyone can take anything they want would not lead to less conflict, but would in fact lead to more. And how anyone could suggest otherwise is just baffling.

That doesn’t make any sense.

…which again, I thought I proved wasn’t sound.

Again, if you’re looking for logical deduction, please see the resources on “argumentation ethics” (in particular “Law and Economics” 2009).

What is “G-d’s”?