Or you could, oh, I don't know, do what you've always done and go buy products yourself? Or buy a separate button for your product of choice? You don't have to

Or you could, oh, I don't know, do what you've always done and go buy products yourself? Or buy a separate button for your product of choice? You don't have to use the built in system. And there is absolutely no indication it's hardcoded to use a specific product.