> Otherwise, the only people left will be the entrepreneurs and engineers. > “The bar is so steep, the only people who can locate here are the high-income earn

> Otherwise, the only people left will be the entrepreneurs and engineers. > “The bar is so steep, the only people who can locate here are the high-income earners,” Mr. Hancock said. “We’re losing our middle class in Silicon Valley.” I don't get it. Does being a engineer automatically make me upper-class? Because I'm an engineer and I certainly make a middle-class income (albeit likely being an upper middle-class income). I'd be willing to bet the average engineer living in Silicon Valley does as well.