Does it map to a single, identifiable person or something close enough that the distinction is meaningless?
Then it's not anonymous.
Simple as that.
My point is that even completely anonymous data that conforms to what you just said can easily become de-anonymized when contextualized to other "anonymous" data.
My point is that even completely anonymous data that conforms to what you just said can easily become de-anonymized when contextualized to other "anonymous" data.