So are the barriers to entry obvious or nonexistent? Because you described both. Not only are they barriers, but vertically integrated monopolies have been ille

So are the barriers to entry obvious or nonexistent? Because you described both. Not only are they barriers, but vertically integrated monopolies have been illegal for a century. If erecting economic moats is the entire point of Amazon like you said, then it’s obvious they need to be broken up. You really don’t think small, independent merchants are affected by Amazon’s 2 day delivery or taking back any return? That’s naive.