"No longer are there different kernels for Windows 8, Windows Phone or Windows RT it's now all just One Windows. As goes the Windows kernel, so goes the entire company."
Seriously what is he talking about? The kernels were already the same on Windows 8, Windows Phone 8, Xbox One, and Windows RT. This already has been happening for many years now. This is public knowledge that anyone could know if they just bothered to look. By the way, they announced at the //Build conference a few weeks ago that even the app model an WinRT APIs are going to be converged now between Windows, Phone, and Xbox so you can write one app for all of all platforms once.