Everything can happen in crypto but amazon is hard to out because that is a big company business online but if amazon accepting crypto as a payment , Amazon will become popular like others that keep accepting bitcoin as a payment. And about the buying directly to the owner of the product is really a big saving to us because the owner can give you a big discount if you buy bulk.
There is actually no way at all that we can even get to put some big companies out of business, and that is already way too much. There have been competitions already all over the world, so there is always a whole lot to go around when it comes to the ecommerce world.
It is understandable that times are changing, decentralization as well as blockchain technology is also hitting the ecommerce space as well, but you really think Amazon or other big businesses won't be looking into that already. Innovation is always going on everyday just to stay on top of the ladder, and I am sure once you are there, it would really take some pride only and comfort zone level of thinking to get pushed down.
Market places have been evolved on internet now. Ecommerce has initiated this war between companies to make challenges and competitions to other combines through internet.