But you already didn't have the security of Apple's payment processing when you were buying Kindle books. (Admittedly, I'm now waiting for the stories of users

But you already didn't have the security of Apple's payment processing when you were buying Kindle books. (Admittedly, I'm now waiting for the stories of users being surprised when they paid their FartTorchPRO app subscription via paypal.ru and finding their credit card details all over the darkweb.)