It runs on the "Desktop" side of Windows 8, rather than in the "Metro environment" (for lack of or perhaps my own ignorance of a better term), right? If so, should it even really be trying to use the Metro style? I'm not familiar with Microsoft's guidelines on this, but I'd imagined that "desktop apps" would continue to use something similar to the traditional Windows design language.
Edit: CurtHagenlocher's comment cleared some of the confusion up for me. It's not Metro, it's ... "Windows 8 style". Wait no, that term means Metro too. It's "Office 2013" style.
Edit: CurtHagenlocher's comment cleared some of the confusion up for me. It's not Metro, it's ... "Windows 8 style". Wait no, that term means Metro too. It's "Office 2013" style.