How is that even in the same league? Google can disclose, what you send to their servers. Microsoft can disclose, what you keep on your own machine.
Want to expand on that a little? Presumably the above quote is regarding skydrive etc.
For example: https://edri.org/microsofts-new-small-print-how-your-persona...
(when googling the phrase cited by kuschku, the first link is to reddit and there it links to edri).