> a little over 6% of the population work in the tech industry I'm sure many people are cooks, janitors, bus drivers and the like and I'm sure a many people wo

> a little over 6% of the population work in the tech industry I'm sure many people are cooks, janitors, bus drivers and the like and I'm sure a many people work for the the state, county or city (especially including healthcare). Any city needs services both private and municipal -- but they are not the driver of the economic engine. I imagine that 6% would be much higher if we excluded non-service, non-municipal jobs.