But a unique identifier doesn't necessarily identify a living person, particularly in isolation. It's just that it's frequently associated with a load of additional information that could eventually be used to identify someone (think advertising cookies when associated with a load of browsing data). So you can't escape from scope by saying you're using a unique ID rather than a name.
IP addresses are slightly different because that address can be used to identify the subscriber in certain cases (who in turn may or may not be an individual).
IP addresses are slightly different because that address can be used to identify the subscriber in certain cases (who in turn may or may not be an individual).