Earlier quoted context omitted.
> If we exchange ownership of ideas, we end up with one idea each How would that work? Given that one exposed to an idea, a person cannot exactly erase it from their mind... I mean if I have an idea and I give it to you the idea itself is still in my mind . And in order to give it to you I have to communicate it to you, so now it is in your mind too. So innately, while physical objects are physically moved , ideas ar…
If I sell you copyright of my code, I might still have it on my computer but I lost any rights to use it. This is a standard business arrangement that anyone on this site knows and uses. I don't think it's as complicated as you make it sound.
Just step back and think about how irrational this is. Abstract constructs like this are arbitrary.