> Witness the navigation system in Apple Maps in CarPlay. The system developers obviously wanted to display as much map as possible, as shown in Figure 3 a). This makes sense, but to do that they relied on the use of hidden controls. If I want to enter a destination or zoom in on the map, I have to know to touch the bottom left-hand portion of the map

What? You don't have to touch any specific portion of the map. You tap anywhere and it brings up those controls.

I think this article largely has a point, and most of it seems true, but to me these bits of untruth are unamusing at best.