The title makes it seem like Keynote is showing ads in the UI, and from the screenshot I see a button that if I press it, will accept my credit card so I can buy a thing.
Just because it's hard to discover things I don't yet own doesn't mean I want them shown to me while I'm making a slideshow.
Just because it's hard to discover things I don't yet own doesn't mean I want them shown to me while I'm making a slideshow.