https://support.microsoft.com/en-us/...soft-store-faq
Yes, its real. All notes somebody has written into "his" copy of the book, will be lost as well. The individual user has to decide whether the fincial comneonsaiton for that is worth it or not.
Now consider Steam. Online music libraries. Apple iTunes. Amazon Kindle. Cloud computing. Digital bank accounts with direct banks.
Still in principle love with it? Then you love beign a remote-controlled drone.
And you can be switched off from the distance, any time.