If by "judge MS by its Current behaviour" you mean the strong ties A.K.A. Strategic partnership with the Government/NSA then I'm afraid the answer is...never.

If by "judge MS by its Current behaviour" you mean the strong ties A.K.A. Strategic partnership with the Government/NSA then I'm afraid the answer is...never. http://www.computerworld.com/article/2521809/government-it/nsa-helped-with-windows-7-development.html http://www.computerworld.com/article/2521809/government-it/n... http://www.theguardian.com/world/2013/jul/11/microsoft-nsa-collaboration-user-data http://www.theguardian.com/world/2013/jul/11/microsoft-nsa-c...