Earlier quoted context omitted.
I'd mostly agree with that, with the caveat that they will often restrict particular listings or brands that got a high volume of complaints, and require proof of purchase to sell. They also flag sellers that have large sales increases in a short period of time. >It's my view that Amazon themselves should be taking action on behalf of both consumers and sellers to ensure that: 1) products are authentic, and b) consum…
I don't see why they don't require proof of purchase for every single item in their supply chain by a third party reseller, with valid, verifiable invoices issued only by the OEM.
2. "issued only by the OEM" but there are many valid suppliers that are not the brand owner. Even Amazon themselves buy from many vendors that are not the brand owner. Amazon wants those suppliers and third party sellers because they bring down pricing and have a wider selection than they'd get if they only allowed sellers buying direct.