There are a bunch of obvious technical mistakes in that, not least of which is that you're not effectively buying a WeMo and getting the bulb for free; only the more expensive master bulb will have WiFi support and the rest will talk to it over much cheaper 802.15.4 mesh networking.
From the comments in the linked blog, there was this comment "The new guideline prohibiting renderings applies only to projects categorized as Product Design or Hardware. Other categories, including Games, are not affected."
