I love you James Lileks, but I had to stop listening to Ricochet #102 for a moment and punch this out. Breaching copyright -- for personal use, anyway -- is not theft! As a former policeman in a common law jurisdiction, I can tell you that there are eight very specific elements of the crime of larceny that must be proved in every case. One of those elements, with regard to the stolen property:
depriving the owner of the use therein
That is, if I take your iPad, you don't have it any more. That's stealing. That is what might be called a natural crime. Any society that has improved itself beyond rule of brute force recognises this. Steven Pinker lists 'Property' amongst the human universals in The Blank Slate.
But if I copy some music you downloaded from the iTunes store, you still have the music. So does iTunes and the copyright owner. What we are talking about is breaching a recently invented law in the same category as, say, smoking a cigarette in the wrong place in New York, or breaching a provision of Dodd-Frank.
Illegal, yes. Wrong, arguably. A widely and naturally recognised sin? No!