I'd agree completely if Google's goal was to make money from Fiber, but I suspect their goal is to demonstrate that fiber is economically viable and shame other ISPs into deploying it. By that standard, winning on the easiest setting seems unlikely to convince anyone.

See http://googlefiberblog.blogspot.com/2010/02/think-big-with-g... http://www.dslreports.com/shownews/Many-Realizing-Google-Fib... for Google's motivations.