Don Caperton owns the Shack in Benton County, Tennessee, an area with a large population of retirees; more than 47 percent of residents within 20 minutes of his restaurant are 50 and older. Allowing adults to order from a kids’ menu would hurt his bottom line. “Operating costs [such as labor, equipment usage, utilities and prep time] are not significantly reduced when preparing smaller portions,” Caperton says. —Kevin Spain