Exactly. Ideally, a sync is silently interruptible, or at least can be easily manually paused. That's the actual, and legitimate, issue. Being "unable to reboot

Exactly. Ideally, a sync is silently interruptible, or at least can be easily manually paused. That's the actual, and legitimate, issue. Being "unable to reboot" because of the in-progress operation is a derivative result, and the author is misleading by making that the title, for the purpose of creating a more provocative headline.