Promises are broken, policies are changed and political regimes vary. You need to make sure that you consider the future and not just now. And that means NEVER handing your data over in the first place.
That's easier said than done. Even if you don't directly use Google services, chances are that Big Data is still watching you on every website you go to. And if you have a mobile data plan, your service provider knows exactly where you are 24/7.