Web designers are users' nightmares. Hiding a useful feature just because you don't like the color, to scratch your designer itch, isn't helpful to users.
The article says: "ideal if, for example, you want to keep an eye on that sports game while also getting some work done." This is only mentioning a single use-case, not enumerating all possible use cases. It's useful for a hell of a lot more than just sports. (Also, watching sports may be rare for you and I, but I don't think that qualifies as a rare usecase for the general population.)
Web designers are users' nightmares. Hiding a useful feature just because you don't like the color, to scratch your designer itch, isn't helpful to users.
The article says: "ideal if, for example, you want to keep an eye on that sports game while also getting some work done." This is only mentioning a single use-case, not enumerating all possible use cases. It's useful for a hell of a lot more than just sports. (Also, watching sports may be rare for you and I, but I don't think that qualifies as a rare usecase for the general population.)