Earlier quoted context omitted.
What else are you supposed to do when you can’t work because you don’t have access to your source code.
you still have access to your source code, you just can't push. or pull, but you can sneakernet around that, or have a second remote set in the repo for just this occasion, so you can collaborate as a stop-gap measure while GH gets fixed up.
However I have a feeling that most companies are set up to download 50MiB of dependencies at every run, so a website being down makes the entire thing not work.