I don't believe that's the situation.
> Apple's latest products directly sold by Amazon have a much cleaner page layout on Amazon with no ads or recommendations until the very bottom of the page
This is not an agreement to "remove junk ads". AMZ is not showing ads for a large part of the page when an Apple product is the focus...probably in relevant searches? but certainly on a product display page. Again, this is the case for Apple products on other vendor sites, as well.