Why google analytics is "useless" in China!

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Google Analytic is the most sought over technology in the world with over 50% most popular websites using it! But why it is not effective in China? 1)High level of inconsistency in data: As google have left mainland China, it is facing loss in data due to blocking of its servers from China.As it has no access to mainland China, which is currently the highest user of digital market. So this inconsistent data is being of no use as it is a false report which you are getting and you cannot depond on it. For instance, when using Baidu backbone or other log based analytics tools will count traffic when end-users actually click the PPC ads but Google Analytics will only track a hit if the user lands on the webpage. You can imagine the high loss rate, and even higher to Google because of the traffic block/limitation. So there goes the main thing tracking. 2.Easy to use,but difficult to deploy! For the mainland users to deploy it is being a headache.They have to go to IT officials to deploy it.So even though some may decide to use just leave their idea here itself. 3. English language Last part is if some online marketers try to learn from google online in away browsers they couldn't since google servers are mainly in English!! So what is your view on this?Any other point of view or fact?