By Luc Olinga Almost five years after buying Whole Foods for $13.7 billion, Amazon is launching the promised revolution in the grocery shopping experience. Any industry in which Amazon (AMZN) – Get Amazon.com, Inc. Report has invested or ventured has grown accustomed to disruption. When the Seattle tech and online-retail giant, founded by Jeff Bezos, in June 2017 seized the Whole Foods chain of organic products for the tidy sum of $13.7 billion, the transaction raised many questions. One of the most obvious ones: Why would a company that made its mark by making brick-and-mortar stores obsolete…