Unless it's an official "Apple" statement (and not an employee saying it somewhere, maybe not even Cook) and part of the official documentation and actually imp

Unless it's an official "Apple" statement (and not an employee saying it somewhere, maybe not even Cook) and part of the official documentation and actually implemented (so that in what shape and form Apple has actually implemented it and whether it is of any practical use at all or not) unfortunately that is just a random statement. That's Apple.