Earlier quoted context omitted.
I'm actually really glad they have up until now left USB-C out. We're at a point in USB-C's life I'd consider it an anti-feature, and the Surface Book 2's no exception: This particular USB-C port is really only useful for adding a second display. It's more or less fine as an extra port, but anywhere it takes away a Type A port, or even the Mini-DP it replaced is a little sad. Marco Arment posted this a couple days ag…
For a mobile device one big plus of USB-C is USB-PD and the ecosystem of fast chargers and power banks it brings/will-bring. You can also use one charger for both your phone and laptop, which is useful even if you can’t charge both at the same time. Ignore everything else and it’s a nice upgrade just for this.
While I lament non-standard implementations, much like Apple's old MagSafe adapter and the Surface connector, sometimes the non-standard version is vastly superior.