Bravo.
> a big problem with these discussions is people seem to assume, as an axiom, that allowing authors to control downstream copying is natural. It isn't
But neither is physical ownership of things or land. We could well go back to letting the 'free market' sort it out, or conversely split everything evenly and legalize any maneuvers to do so. I'm not arguing that physical and digital goods are the same, but rather that both are arbitrary.
For a tiny example, German law downplays the usual importance of physical ownership if theft is about food for direct consumption. This decision is just as arbitrary as heightening the value of authorship.
All laws have to be analyzed as an arbitrary society-as-a-whole thing to make any sense. And that's why I think it's harmful that this discussion is always reduced to tiny examples with two people and a car, or in this case a hen and other animals, and a single transaction at one point in time only.
Not disagreeing with the core of your posting at all, but I think you got lost in the hen analogy too.
> And all too often, the position of the rest of society - which, since they outnumber the artists, ought to be given more weight - is ignored.
Not sure about the phrasing of that argument. If female nurses demanded more wages than male ones, should this opinion be given 95% of the weight?