"The retry storm in Northern VA was fixed by 1) temporarily reducing gateway retry logic with a PR " - silly question but github uses github for their own PRs a

"The retry storm in Northern VA was fixed by 1) temporarily reducing gateway retry logic with a PR " - silly question but github uses github for their own PRs and deploy right? Do they have a special dedicated system just for them so they can fix github with a code change even if the rest of us can't?