They are a huge company with thousands of teams pursuing their own agendas and made up of people of varying degree of scruples and viewpoints with regards to privacy.
I've worked for large companies that handle sensitive user data, and they all have at least some teams of people trying to figure out how they can respect the letter of privacy laws just enough, while ignoring the spirit of those laws, in order to profit from the personal data they hold, regardless of the potential side effects or long-term impact on the data subject.
Google is probably no different.