Data from deleted GitHub repos may not really be deleted
go.theregister.com
And the forking Microsoft-owned code warehouse doesn't see this as much of a problem

And the forking Microsoft-owned code warehouse doesn’t see this as much of a problem Researchers at Truffle Security have found, or arguably rediscovered, that data from deleted GitHub repositories (public or private) and from deleted copies (forks) of repositories isn’t necessarily deleted.…