Apple are not choking off in-app advertising revenue. That option is still available, developers just have to tell people what they're doing up front and allow

Apple are not choking off in-app advertising revenue. That option is still available, developers just have to tell people what they're doing up front and allow opt-in control of tracking. So if you want to give informed consent for targeted in-app advertising you still can. As an Apple customer I pay Apple to provide that, altruism has nothing to do with it. Facebook won't do it on their own because they don't want users to have the choice.