Why, it's fine to have these values in a corporate environment: name, work email, office location. I'd be fine with an ability to store the birth date, the blood type, the zodiac sign, actually an arbitrary list of key-value pairs, as long as it's optional.

It's only a problem when the OS insists on recording your private information to let you access your private account.

It is an optional field, and so far there is no software that asks for this information, let alone insists on it.

which is the logical next legislative step