Earlier quoted context omitted.
Not sure what you’re getting at here?
Apple charges the same developer fee to both iOS and Mac developers. Mac developers are free to distribute apps how they please, and use whatever payment APIs fit their use case. iOS developers cannot distribute apps freely, and must surrender 15-30% of their software revenue to cover something . So, what is that something? What is Apple charging for on iOS that isn't necessary on Mac? Presumably, nothing. iOS is a l…
Then you might want to take a look at some basic business courses on how pricing works. You seem to be operating in the paradigm of commodities being sold by weight.
Take a look at things like service bundles and differential pricing, and you'll start to understand that these kinds of arguments aren't the 'gotcha' you think they are.