Earlier quoted context omitted.
If we unpack this argument we can precisely pinpoint the issue. In order for this argument to be true, Apple would need to have market power. Having market power is the thing that makes tying etc. an antitrust violation. Because it can be used for more than allowing people to cancel subscriptions. Like charging a 30% margin in a market where it's normally 3%, or excluding apps that compete with Apple software or serv…
Steam and Android charge a similar 30% fee in their stores. When I hear about a 3% fee, I think of the interchange fees for a credit card. That doesn’t have the same overhead as hosting the software, handling the updates, managing the front end, reviews, etc. I can only assume that 2-3% of the 30% are going to Visa, as I’m sure Apple is paying interchange fees to process the payments. 30% probably still creates a ver…
Having the ability to move out acts as a great check against unreasonable rent-seeking.