Re: And do they...
As per my earlier post, they have set up an arrangement in Germany where a German company, Deutsche Telekom, acts as the trustee for the data https://news.microsoft.com/europe/2015/11/11/45283/
If they put something similar in place here it should serve that purpose. Whether it will keep it out of reach of May's minions is another matter. The real solution would be to put the data centres in the countries with the strongest privacy laws irrespective of whether they're in the data subjects' or users' jurisdiction and held by a local company or trustee incorporated in the country where the data centre is located. Then all you've got to worry about is data in transit....