Exterior of Whole Foods store A Whole Foods Market in Folsom, CA. Recent press reports have suggested consumer dissatisfaction following Amazon’s acquisition of the specialty grocery chain. (Photo: Whole Foods Market)

NEW YORK CITY—Amazon’s June 16 announcement that it would purchase Whole Foods Market for $13.7 billion sent shudders through the grocery sector. Six months later, the shudders have largely subsided into a modern-day equivalent of the “keep calm and carry on” resoluteness that got wartime Londoners through Luftwaffe bombing runs on their city.