I think people actually value some of the side effects of privacy on iOS though… one of them is that app developers just can’t be quite as appalling in their abuse of users.

Why does anyone think that apple is not spying on its users? They have a massively growing advertising business, that should tell you everything already. The only difference is that they don't want anyone else spying on their users, but that's simply to protect their business, not for the privacy of customers.