Th3 Core

"Amazon is not too big to fail... In fact, I predict one day Amazon will fail. Amazon will go bankrupt. If you look at large companies, their lifespans tend to be 30-plus years, not a hundred-plus years," Bezos reportedly said when addressing a question about Sears recently going bankrupt.

https://www.businessinsider.com/jeff-bezos-says-amazon-will-fail-one-day-2018-11

30 years is forever on the web.  I see room now in this space for a company to come in and make headway.  If a company could deliver traffic and keep the commissions low it could be a real competitor.  I honestly don't think the massive warehouse infrastructure of FBA is what is fueling the success with third party merchants.   If FBA shut down there would be tens of thousands of merchants looking to sell elsewhere.  I say this as a fan of FBA.