The word "tax", when referring to Apple's fees, is a loaded and partial term. The fact that it's clear and understood and factored into the price makes it easy to complain about, but no casual customer to my knowledge has ever seriously asked what proportion of their peppermint tea and scones pays for a café's rent - overheads are overheads and margins are margins. Both companies are invoking consumers and value in their arguments and ripostes, but I only see one of them defending their customers' interests.
Many a company is upset that they have no leverage in a business deal and want to courts to hand it to them.
Many a company is upset that they have no leverage in a business deal and want to courts to hand it to them.