What is not difficult to secure these days? Our data is being logged everywhere we go, no wonder that such a big company as Google who has that much customers don't track our data. And it's kind of our own fault because we don't care usually or hope for the best, even using free services and letting them access everything we have.
Not even surprised. Gmail, Google in general was always shady in terms of privacy. Moreover, you need to pay attention what you let other apps do with your phone and etc., what kind of access you grant them. People mostly don't even read, just click "skip" and "allow"