Earlier quoted context omitted.
AliExpress's user interaction is different, and IMHO much less friendly. In Amazon, the user interacts with a product, and from here can either allow it to be fulfilled from whatever's its default seller, or select one explicitly. In AliExpress, the user interacts with the [product,seller], so in search you'll generally see 50 instances of the same product, and leave it to the user to decide which one to open into Pr…
I prefer the opposite. eBay and AliExpress are a better experience because I interact directly with the seller. The seller has control over their listing, their inventory, and their fulfillment. I'm not playing the lottery as with an Amazon listing.
I agree that in fulfillment, Amazon is causing problem. But I still believe that in User Interaction, the Amazon approach is better for most users.