"After all the hours put in by librarians and staff to cut the database sourcing with Amazon, now they'll own it again? Does that mean that all our work will go away and then Amazon info will be downloaded back to GR?"
Goodreads addressed these concerns in this FAQ which leaves you unsatisfied.
"All the people are so happy now, their heads are caving in. I'm glad they are a snowman with protective rubber skin" -- They Might Be Giants