Well they thought that using a CDN over a CDN would be a good idea
We've got Cloudflare sitting in front of our Firebase/GCP instance (which I've just found out is Fastly-cached :/). Getting 503s at the origin but we're up on our URL with an always online notice thanks to CF. Double dip isn't all that bad.
Pytorch and Python docs, all down. No stackoverflow. I guess this is a forced bank holiday for developers around the world.