The MacBook Pro has essentially been the same 'MacBook Pro' for quite a while now - albeit with spec upgrades every now and then. It still sells. Why change th

The MacBook Pro has essentially been the same 'MacBook Pro' for quite a while now - albeit with spec upgrades every now and then. It still sells. Why change the design of a product if that design still works? After all, how many radically different washing machine models have you seen in the last ten or fifteen years?