In the author guidelines, Goodreads states explicitly:
"Goodreads is a place for all kinds of booklovers, and that includes authors. There are many ways you, as a Goodreads Author, can participate in the community. We hope that you enjoy using the site, and that Goodreads also helps more readers discover your books."
There is quite a debate going on about the new policy. At the time of writing, and about 3 hours after having been made public, the thread has over 300 comments. No surprise there: Goodreads has already deleted a lot of reviews and bookshelves that go against the new policy, without giving readers the chance to download and save them.