Actually, in the case of Wave, it was a lack of people adopting it.

For group projects and teamwork communications it was pretty good, probably ahead of its time.

The other issues you mention, we'll wait and see. What are those countries going to do, block access? The GOOG (the Borg) will just close physical presence in those countries, loss of jobs, loss of an internet tool, I'm sure the elected politicians (criminals) will go for that.

China will collapse before Google.