> 12% covers the overhead costs of the stores and still allows a healthy profit for the monopoly owner. What’s so special about 12%? How would it cover the cos

> 12% covers the overhead costs of the stores and still allows a healthy profit for the monopoly owner. What’s so special about 12%? How would it cover the costs for every platform? Why shouldn’t capitalistic companies in a capitalistic market charge more (like 30%)? Book publishers and Amazon routinely take significantly much higher commissions. So why is the App Store to be treated badly while letting the other industries and companies continue their practices?