Google can change or ignore its policy at any time, without telling you. Depending on your level of risk, you might not want your security to depend on someone else's goodwill, especially someone for who has very many, much larger concerns than you.
Will Google forgo massive government contracts to protect you? Risk expensive lawsuits? What if you are politically unpopular; will Google risk its reputation for you?
Google can change or ignore its policy at any time, without telling you. Depending on your level of risk, you might not want your security to depend on someone else's goodwill, especially someone for who has very many, much larger concerns than you.
Will Google forgo massive government contracts to protect you? Risk expensive lawsuits? What if you are politically unpopular; will Google risk its reputation for you?