The relevant legal requirement to have accurate records is 45 CFR 156.526, where
An individual has the right to have a covered entity amend protected
health information or a record about the individual in a designated
record set for as long as the protected health information is
maintained in the designated record set.
The request can be denied if ...
[site] does not rent or sell your personally identifiable information
to third parties.
[site] does not share your contact information with
other users or third parties without your consent.
Look, they do not rent or sell your PII, but what is it that they do not share? Not PII but contact information.
Is contact information PII? Sure. Is PII ...