Earlier quoted context omitted.
There are multiple internet services down, not just GCP. It's just possible that this "Chemist" service is especially externally affected which is why the failures are propagating to the their internal GCP network services.
Absolutely possible. Though there is something curious: https://www.cloudflarestatus.com/ At Cloudflare it started with: "Investigating - Cloudflare engineering is investigating an issue causing Access authentication to fail.". So this would somehow validate the theory of auth/quotas started failing right after Google, but what happened after ?! Pure snowballing ? That sounds a bit crazy.
> Cloudflare’s critical Workers KV service went offline due to an outage of a 3rd party service that is a key dependency. As a result, certain Cloudflare products that rely on KV service to store and disseminate information are unavailable [...]
Surprising, but not entirely unplausible for a GCP outage to spread to CF.