The way Arstechnica phrased that made me think that Best Buy was missing from a list of several other brick-and-mortar chains--Microsoft Stores are the only brick-and-mortar stores in the USA that have been announced[1].
"Beginning this calendar quarter, these Always Connected PCs are expected to be available online and hitting store shelves at the following leading retailers:
* U.S.A – Amazon.com, Microsoft Stores"
[1] https://www.qualcomm.com/news/releases/2018/02/21/qualcomm-a...