> The thing is no customer wants to use any company's half-assed bug-riddled purchase or subscription system. Every iOS and macOS user will prefer to use the Apple system.

the apple developer ecosystem (with regards to subscriptions and app purchases) in my experience has been quite awful for a multi trillion dollar company. really bad API docs, really poor experience around understanding what is even happening in their black box. i'm honestly astonished at how "unfinished" the whole experience feels. something like Stripe is on another level