I don't want to give too much credit to Github, because their uptime is truly horrendous and they need to fix it. But: I've felt like its a little unfair to judge the uptime of company platforms like this; by saying "if any feature at all is down, its all down" and then translating that into 9s for the platform.

I never use Github Copilot; it does go down a lot, if their status page is to be believed; I don't really care when it goes down, because it going down doesn't bring down the rest of Github. I care about Github's uptime ignoring Copilot. Everyone's slice of what they care about is a little different, so the only correct way to speak on Github's uptime is to be precise and probably focus on a lot of the core stuff that tons of people care about and that's been struggling lately: Core git operations, website functionality, api access, actions, etc.

You're right that labelling any outage as "Github is down" is an overgeneralisation, & we should focus on bottlenecks that impact teams in a time sensitive matter, but that isn't the case here. Their most stable service (API) has only two 9s (99.69%).

They're not even struggling to get their average to three 9s, they're struggling to get ANY service to that level.

Copilot may be the least stable at one 9, but the services I would consider most critical (Git & Actions) are also at one 9.