Apple has the benefit of massive cash-flow and, as a result, hiring many competent designers who draw and create to a specification. The specification could be created by another team of senior designers that are paid handsomely to deal with the gruelling task of defining a corporate identity.
This is similar to how major feature cartoons, which typically require variations of an image to be drawn over and over again, are typically animated by more than one person.
I.e. Apple has the money. They can do better than having one extremely hand-cramped illustrator crank out silhouette-style icons.
Apple has the benefit of massive cash-flow and, as a result, hiring many competent designers who draw and create to a specification. The specification could be created by another team of senior designers that are paid handsomely to deal with the gruelling task of defining a corporate identity.
This is similar to how major feature cartoons, which typically require variations of an image to be drawn over and over again, are typically animated by more than one person.
I.e. Apple has the money. They can do better than having one extremely hand-cramped illustrator crank out silhouette-style icons.