The article does make the same point. Basically companies could configure their WiFi in a more secure fashion but many won't. I'm certain many small companies use very basic setups similar to a home WiFi and at best will just change the WiFi password periodically.
This is why major OS providers are taking it on themselves to tackle some of these issues independently of the WiFi setup - like taking the location in consideration and warning you if you connect to the same network in a different location.
This is why major OS providers are taking it on themselves to tackle some of these issues independently of the WiFi setup - like taking the location in consideration and warning you if you connect to the same network in a different location.