Just because your communications data or metadata exists in some bulk dataset somewhere doesn't mean that it's being actively and personally investigated by anyone.
As with the issuance of a warrant for wiretapping, there would need to be a proportionate and legitmate reason for your communications within a such a dataset to be looked at.
As with the issuance of a warrant for wiretapping, there would need to be a proportionate and legitmate reason for your communications within a such a dataset to be looked at.