The insurance companies example is irrelevant anyway. They are given information (and a fee) in return for providing cover and it is understandable that they will use this to prevent fraud.
The various government databases are compiled of information taken without consent and we have no control, or even influence, over how that data is used and abused. An earlier commenter points out how data has been abused in the past and only a fool would think it won't happen again.
What we need is absolute opt-in on all databases and regulation to ensure our details are deleted when requested. This especially applies to govt. held data.
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