‘If Apple has a rule that it can take 30% of every sale made via an app from the App Store, this should be applied to every sale.’ So should Amazon pay 30% to

‘If Apple has a rule that it can take 30% of every sale made via an app from the App Store, this should be applied to every sale.’ So should Amazon pay 30% to Apple on every sale made via their iOS app? I assume you mean every digital sale.