Apple has implicitly (and sometimes explicitly) taken responsibility for the quality and content of apps in the store. You may have noticed that this has been

Apple has implicitly (and sometimes explicitly) taken responsibility for the quality and content of apps in the store. You may have noticed that this has been profitable choice. Taking responsibility for what you put in your customer's hands is a winning strategy. Otherwise people will slowly migrate to platforms that are less restrictive, like Android. Why aren't they doing so now?