Think about it. Really hard. In your visualizations use terms like "licensing" and "international". You may find enlightenment this way.
No need to think hard about it: Google simply doesn't give a shit. Really. Let me remind you that, almost two years in, Google Voice is still completely and utterly useless outside of North America.
> You may find enlightenment this way.
Enlightenment as to why the video of their ebooks demo would be region-locked?
This is a big call. There are many, many factors that prevent a global release of something like Books.
What did you visualize?
You may not like it, but it's surely just pragmatism on their part. It requires a considering investment in lawyers and time for each country they launch in, so it makes sense to start with their home (and likely largest) market.
Most US companies will launch something in English only with the domestic market in mind to test the waters, then when it becomes economically viable to do so expand licensing and other issues out to other countries.
I'm sure the companies that innovate in your country do the same.