That's what post mortems are for. Happy for people to submit those.
Also, why are cause and remediation efforts important to you? If you rely on the service and it goes out, what more are you going to learn here that would help you? Genuine question.
> I always check HN for major outage news when it comes to github/AWS/GCP/Azure
Why not just check those status pages? Or check Twitter? HN seems like a weird place to check for it...