What a pity, this is exactly the scenario I first expected for Microsoft. But I’m not really surprised that Apple is now ahead, what happened?
The ocsp.apple.com server was apparently down and/or unreachable between yesterday and today1. Unfortunately macOS tries to reach it every time an app is opened to check if a certificate has expired2 or an app has been retracted or some more magic. Of course this is not transparent, closed-source and therefore not verifiable.
The fact that an Apple device can be offline is taken into account and considered as “soft failure”. However, a failure by Apple itself seems to be quite an impossibility and is obviously not considered.
The result is an illustrative example for digital sovereignty: Now the expensive piece of aluminium can only be used as a warming plate for the cat:
By the way: Those who use a personal firewall like LitteSnitch3 or a real one like ipfire.org4 can continue to work normally. But no guarantee that this will work in the long run. For sure there are some time limits and undocumented features.