Sign up as an advertiser on amazon. Setup your feed. Amazon will display ads on amazon,com based on your feed. But you cannot buy those items on amazon it's just a paid ad. The paid ad is clearly marked as such on amazon as is the outbound link to the 3rd party site where you can actually buy these items.
Google will rank those items #1 in organic above the actual manufacturer and above real stores. It's basically what you all would have been penalized for doing a few years ago.
It's a nice handshake on the part of amazon and google. Consumers think they are seeing real organic results but Google is just serving amazon ads for them mocking all of us in the process.
I thought these were doorway pages but hey if amazon can make a buck what does google care. How hard is it for google to detect this when amazon has a full sentence on every one of these pages saying its a paid ad? They just don't care to change it. Big $ for amazon and the bad user experience just drives people to google paid ads.