The merger that shook food and retail stocks on Friday - Amazon.com Inc's proposed deal to buy Whole Foods Market Inc - rattled some employees of the upscale grocery chain who expressed fears ranging from layoffs to the loss of their laid-back corporate culture. The online retailer hopes the $13.7 billion acquisition helps it disrupt the grocery business and expand its real-world store footprint. Sickening, Amazon wants to be THE store everyone buys from. pic.twitter.com/gML4XvwO3v — Lana (@LanaLokteff) June 16, 2017 Carmen Clark, 37, a six-year employee at a store in Mount Pleasant, South Carolina, said some workers worry that Amazon-led automation could lead to job cuts. "Everybody's been kind of joking that it's going to be robots and drones," Clark said of potential changes from Amazon,…