How about possession?
Let's look at it this way: I, a consumer, purchase a game in a disc. This disc is the medium which contains the piece of software (the game). In reality, what I paid for was the license to execute the software.
If I own a license to use that software, I have the right to resell that license.
Up to now, I could either go to a retail store and negotiate the price at which I resell that license (usually to the store's advantage, of course), or negotiate a direct exchange with a friend instead. My option.
From now on, another party is going to dictate under which terms, and to who I can resell the license to run that software. What's more, whoever I sell the software to is going to have to pay a fee to the original owner in addition to the price I sell it at. All I am selling is my own license to run the software, but they receive a tax on it?
It isn't just a matter of opinion, it's about setting a legal precedent. A very, very dangerous legal precedent.