The focus is on engineers. Google seems to hire people with exactly the qualities you mention to work directly with the consumers, and leave the hyper-genius en

The focus is on engineers. Google seems to hire people with exactly the qualities you mention to work directly with the consumers, and leave the hyper-genius engineers where they prefer, away from real people ;) Although there is an element of intelligence and also of having a technical background for many of the consumer-facing roles too.