I guessed the same thing. Probably the fault of employer-mandated software gumming things up. But since the only reason to run Windows is because my employer mandates it, almost all of my Windows experiences involve enterprise-managed lag in the extreme.

It may not exactly be Microsoft's fault, but it piles nicely onto a pre-disposition against them and all pro-MS IT departments who can't seem to tie their own shoelaces. It takes a maturity that is sometimes lacking in moments of frustration not to blame all the world's problems on MS.