Google may well be violating their privacy policy which specifically claims they don't do that, but I don't think it's likely; they run a pretty tight ship RE l

Google may well be violating their privacy policy which specifically claims they don't do that, but I don't think it's likely; they run a pretty tight ship RE legal messaging, and _someone would have noticed_ since all you have to do is watch a video on a non-google property and watch the network traffic.