They're clearly copying Apple.
It must be be about crystal to everyone by now they're trying out Apple's business model marketing 'premium' devices with healthy margins.
They're tyring to associate MS with high-end hardware, and assiciated prices. I wouldn't be at all surprised if a magnesium Win10S Phone surfaces in the near future.
That said, that 15" Surface Book 2 is a cracker, slurpage or not;