But how many of those actually affected you? For example, no amount of issues around codespaces or github packages would impact my professional use of github, so whether there are 21 or 5000 or those parts get permanently taken offline makes no difference in what I need out of the platform.

How many core incidents? The part that affects whether you can even push to and pull from a repo, and access issues and PRs? Because everything else is nice to have, but you can do work perfectly fine without them if they go down for a few hours.