There's a good chance this will change in the future and the repo on the knot will also contain the social aspects of repos (issues, PRs, etc.)
> As time goes on we are re-assessing the idea of users owning what is "collaborative data" (issues, PRs, etc.) on their PDSes - soon may come the day that an issue also lives on the knot as a source of truth, with an accompanying pointer record on user PDS to attest that it's theirs.