Following up on Cory Doctorow on Apple, Doctorow has written again about Apple in Plenty of room at the bottom (of the tech stack), the key point being:
Apple’s security model works well. To the extent that Apple is both benevolent and competent, it makes products that are safe and reliable. But this model fails horribly, because any time Apple decides to trade off its customers’ privacy, safety, or utility for its own priorities, those customers are rendered defenseless by Apple’s total control:
From Hilbert Space to Dilbert Space, and beyond 