I mean this in the opposite of a argumentative way What is actually stopping you guys from doing a server update?
Updates happen all the time—I feel like you're asking about server hardware, though, which most of our issues particularly recently have been software related. I'm not the best person to explain it like an expert but the big awful wave of issues with the 10.1 patch in particular was a series of unforeseen problems caused by the patch itself. Live service can be hard. Only thing you can do is learn from experience and look for ways to make it better going forward.