What's concerning about that is that you can't opt out. It's part of a service that is supposedly optional, but the linked document repeatedly emphasizes that

What's concerning about that is that you can't opt out. It's part of a service that is supposedly optional, but the linked document repeatedly emphasizes that the terms apply upon any use of the service, even by someone who's never seen the terms. Hopefully that's not enforceable, but the judicial history with software licensing suggests that it would be.