Earlier quoted context omitted.
The principle is what matters. The amount is not the issue. The issue is that there is a cost at all. "It's so cheap" is never an excuse for charging for something that should be free. In this case, running software you have no intent to charge for, on your computer. It's as if someone started charging $0.01/month for breathable air. "But $0.01 is trivial," would not excuse it.
It costs money, and isn't free, for a reason you're not acknowledging. I don't think it's a major profit center for Apple. It's about setting a higher floor for malicious actors than "random botnet residential IP + a captcha solving service". It's about proving some semblance of identity through a card number and a transaction that goes through without a chargeback. As the case upthread shows, there's plenty to disli…
Since this isn't true, no acknowledgement required, it doesn't need to be a "major" profit center to magically become a benevolent feature