Google and all the others do what the government tells them to do arrcording to Bruce Schneier.
Don’t Listen to Google and Facebook: The Public-Private Surveillance Partnership Is Still Going Strong And real corporate security is still impossible.
"...it may seem like the the public/private surveillance partnership has frayed—but, unfortunately, it is alive and well. The main focus of massive Internet companies and government agencies both still largely align: to keep us all under constant surveillance. When they bicker, it’s mostly role-playing designed to keep us blasé about what's really going on."