That's great, but digitization and CDs are for our people. Why is he coopting our culture but won't share a free, non-material copy of his own?

For a non-snarky response: The difference between your scenario and the one from the article is that with yours, you were just performing a service for your friend, who presumably owned the recordings. In the article's case, the recordings are owned and created by UC Berkeley, which is a publicly funded learning institution.