> the main issue is that Apple shut down his other Apple services because of non-payment. This presumably wouldn't happen if the charge was on a non-Apple card.
Not entirely true. If you owe money on the App Store because maybe your non-Apple card expired and you never updated it, Apple will shut down your account still.
Not entirely true. If you owe money on the App Store because maybe your non-Apple card expired and you never updated it, Apple will shut down your account still.