We are actively iterating on our data cleaning to deanonymize any user information. Of course some cases are tricky to find, but we recognize these issues are serious and will continue to work here. All of our training data is public, so we know that we won't ever produce private user info.
If they are using a publicly available code, I don't think it is appropriate to accuse them of doxxing, anyone could just go to GitHub and find the snippet of code.