Shuttles exist because their offices are not near any existing or feasible transit. Urban areas have a lot more pre-existing transit, and transit that can be u

Shuttles exist because their offices are not near any existing or feasible transit. Urban areas have a lot more pre-existing transit, and transit that can be used by more people than just work at one company, than the Shoreline Amphitheater area of Mountain View. If the company has it's offices in downtown, they wouldn't need to run shuttles. AFAIK, there is no intra-city shuttle for their employees who work in their SF office, only Mountain View.