Google and Apple have been doing this for a long time, and Microsoft clearly got jealous.

Their first big win was when they banned the Chief Prosecutor of the International Criminal Court from accessing any of the court's documents, then deleted all of those documents. Now they're going after slightly less important enemies of the state. That bar will continue to drop as long as it's allowed to. And let's not kid ourselves: if you develop or use encryption software that Mossad can't break, you are an enemy of the state.