If that's the case, it would be more effective to settle on something cheaper, let's say program '100mbit/s to every home' and cover larger area faster. I also think that it has something to do with making major ISPs less aggressive, but there's probably something else, why Google needs 1 Gb/s
Think about this in terms of a startup vs incumbent problem. The newcomer often needs to be 10x better than the incumbent in order to change the customer's habits.
