Apple is very design-driven, but to a large extent design is treated as an engineering function. Also, the attitude towards aspects of the product that are not

Apple is very design-driven, but to a large extent design is treated as an engineering function. Also, the attitude towards aspects of the product that are not directly user-facing (such as APIs, "engine" type code like WebKit or llvm, kernel internals, etc) is quite hackerly but also very much driven by thinking about ultimate benefits to the user.