Sure. But that requires atleast a subpoena. So there is atleast some expectation of due process. Which means Google or any other company can push back. Failing

Sure. But that requires atleast a subpoena. So there is atleast some expectation of due process. Which means Google or any other company can push back. Failing that, something like Snowden can happen. Contrast that with police collecting that data and not requiring any, however made-up, oversight.