Google does not want to be in the telco business at all, it just has to be to protect the source of its revenue which is people connecting to them via some ISP. They are purposely building out in cheap to build areas. If they started hooking up rural areas and areas with high land values and labor it would be a very expensive exercise. What Google is trying to do is get into enough homes as cheaply as possible to light a fire under other telco companies without actually having to build out the whole country.
