The submitted article is about iOS, not macOS. Apple unfortunately used the same word "notarization" on both platforms, but the processes are not even remotely similar. Perhaps the confusion was deliberate, but in any case, many commenters here are confused and mistakenly believe that iOS notarization is like macOS notarization.
iOS notarization is still manual review by Apple, but with fewer rules and restrictions.
> If you’ve opted into alternative distribution for customers in the European Union, you can choose to make your app version eligible for distribution on alternative app marketplaces or websites only by selecting to have it evaluated based on the Notarization Review Guidelines (a subset of the App Review Guidelines). Otherwise, App Review uses App Review Guidelines to evaluate your app version to make it eligible for distribution on the App Store, alternative app marketplaces, and websites if approved.
iOS notarization is still manual review by Apple, but with fewer rules and restrictions.
https://developer.apple.com/help/app-store-connect/managing-...
> If you’ve opted into alternative distribution for customers in the European Union, you can choose to make your app version eligible for distribution on alternative app marketplaces or websites only by selecting to have it evaluated based on the Notarization Review Guidelines (a subset of the App Review Guidelines). Otherwise, App Review uses App Review Guidelines to evaluate your app version to make it eligible for distribution on the App Store, alternative app marketplaces, and websites if approved.