It comes down to the individual to interpret and enforce a solution that may or may not be in compliance.
It's like doing taxes in the US. You may or may not doing it correctly and you'll only find out if they start knocking.
This is just not possible for a lot of data like SSB.
How would you do this if someone asked github to delete all their commits across repos?
> For the purposes of this Regulation:
> ‘personal data’ means any information relating to an identified or identifiable natural person (‘data subject’); an identifiable natural person is one who can be identified, directly or indirectly, in particular by reference to an identifier such as a name, an identification number, location data, an online identifier or to one or more factors specific to the physical, physiological, genetic, mental, economic, cultural or social identity of that natural person;
Well if you follow the GDPR: yes. Article 17.2
> Where the controller has made the personal data public and is obliged pursuant to paragraph 1 to erase the personal data, the controller, taking account of available technology and the cost of implementation, shall take reasonable steps, including technical measures, to inform controllers which are processing the personal data that the data subject has requested the erasure by such controllers of any links to, or copy or replication of, those personal data.