I'm not sure copyright law even applies here. No more than it applies to say Google or Yahoo. He scraped DATA from a publicly accessible website as permitted by the robots.txt file. How is this really any different than what Google or Yahoo does? Perhaps the distribution? Though that's hardly significant in this case as the data is already out there. He just organized the presentation. Sounds to me like Facebook just pushing buttons to try and avoid another privacy controversy.
/IANAL //Don't use facebook, I'm aware what companies are scraping and misusing what they sniff all too well.