Microsoft's Guardian Angel is yet more proof that our patent laws are completely and utterly insane. As if we needed more proof.
On the other hand, for all of us who have cognitive disabilities now, and the much, much larger numbers who will have them in thirty years, GA is a promising sign - Be the Best You can Be: Microsoft's Guardian Angel patent - a sign of next generation support.
Of course like all technologies it has obvious malign uses as well. That's not a new problem.