I'm afraid you're mistaken. He hired a cartographer to iterate over the design, but from the images, he likely used that feedback to create a map style. For ex

I'm afraid you're mistaken. He hired a cartographer to iterate over the design, but from the images, he likely used that feedback to create a map style. For example https://wiki.openstreetmap.org/wiki/Map_style https://wiki.openstreetmap.org/wiki/Map_style However, you're also kind of correct in that the rendered tiles are typically cached server-side (presumably also for Apple Maps).