So it appears as though Google is looking towards a future where they are an independent country, or at the very least free from regulation, visa-a-vis Seasteading.
No, this does not appear at all. It appears they want to save on real estate and cooling costs by having floating data centers.
Google has owns so much real estate and immovable property in the US it is silly to suppose they are thinking of leaving the country just because they built a couple of barges.
http://en.wikipedia.org/wiki/Seasteading