Existing Wording
Additionally, a person resource may be used by organizations to allow patients to manage their demographic data while maintaining stricter control of the associated patient resource data.

Comments
There is nothing in the content of the resource that would indicate how one would use the patient resource to apply data access controls. Also, segmentation of patient data is complex and rather controversial.


Grahame's Comments
well, because it's not linked directly. Text could be clearer