May be you are right, but I doubt it.
Major retailers come and go. One I can think of as a modern example is Sears. Once king on the mountain, in terms of retail sales, now near extinct.
Walmart helped crush Sears.
Amazon is crushing others and putting pressure on Walmart.
Something will come along and put Amazon in its place.
One thing that will kill Amazon for sure is AOC’s green new deal. And, by coincidence, that little rat cannot stand Amazon.
Even Bezos said, Amazon probably only has about 30 years.