"The bugs were related to Apple deprecating network kernel extensions (NKEs) in Big Sur and introducing a new system called Network Extension Framework, and Apple engineers not having enough time to iron out all the bugs before the Big Sur launch last fall."
Normally if there's no internet Gatekeeper instead checks the "stapled" notarization ticket from the notarization process. But since there is internet, and the ocsp server is technically "up" gatekeeper isn't checking the tickets.
Assume a spherical cat. As the cat gets bigger, the surface to volume ratio goes down, so the cat gets hotter. This will lower its metabolism, which means that the food calories increasingly go toward storage, which makes the cat get even larger. Asymptotically speaking, the cat tends to become a furry blob of melted lard.