My concern has been that companies with a huge install base (hi, Meta) would take advantage of this: "in order to provide you with the best experience, you have to turn off the restricted flag to install the next release of our app".

And then, billions of users cry out in pain as their private data is hoovered into the panopticon in the cloud.

Grandma will also be happy to disable it when the nice man from Microsoft phone support calls in to remotely fix the viruses she has.

That's great until your device is weaponised against others (see: open HTTP proxies, open DNS resolvers, open SMTP servers, several billion IoT devices, and countless other examples)