And on top of that, this "emergency library" move has roused the publishing industry into finally attacking the CDL model which they've apparently grudgingly tolerated for a decade.
Why risk their entire existence do this? What was so important about it that it outweighs all the other good work they do?
I wish that the Internet Archive had tried to work around this by reaching out to public libraries, and having those public libraries agree to "loan" their still-on-the-shelf books to the Internet Archive. That might not cover all the copies that were simultaneously checked out by people (I don't know the numbers involved), but it would have helped.