You're proving my point. The sources you linked are the eff, a techie's personal blog, arstechnica, and forbes. With the exception of forbes they're all tech niches.
Now look at mainstream media. CNN alone has 230K results for google privacy [0]. How many results for microsoft privacy? 16k [1]
[0]: https://www.google.com/search?q=site%3Acnn.com%20google%20pr...
[1]: https://www.google.com/search?q=site%3Acnn.com+microsoft+pri...