"15% of total retail sales in Grocery, Home furnishings, Electronics, Apparel, Sporting goods, General merchandise and Office supplies"
That's not all of retail. It's certain categories in retail. It's significant, but Amazon has a much broader selection of products and competes in far more sectors of the retail industry than Walmart does. Also, looking forward, over the next 10-20 years and given the changes in the marketplace, who do you think is best poised to dominate retail for the foreseeable future: Walmart or Amazon?
That's not all of retail. It's certain categories in retail. It's significant, but Amazon has a much broader selection of products and competes in far more sectors of the retail industry than Walmart does. Also, looking forward, over the next 10-20 years and given the changes in the marketplace, who do you think is best poised to dominate retail for the foreseeable future: Walmart or Amazon?
https://blog.pipecandy.com/walmart-market-share-story/
As Peter Thiel said in Zero to One, monopolies seek to define their sectors in the broadest terms possible in order to avoid being classified as such.