A story published this past weekend by a website called SemiAccurate has renewed speculation of Apple's supposed interest in producing the engine for iDevices at a plant of its own, as opposed to simply designing silicon blueprints in-house and commissioning others to build the chips, as has been the case since 2010.
So if Apple really bought into a fab, as the exclusive story alleges, the non-trivial move would span years to complete while costing billions of dollars.
Worse, Apple would expose itself to unforeseen difficulties not limited to yield issues: running a sophisticated chip-making factory requires a disciplined approach to attracting and retaining highly-trained engineers, one analyst cautioned Monday...