I wonder how many of the keyboard warriors in this thread have any experience of running very large and incredibly diverse networks like Oxford University's.
The guys handling security for Oxford are highly experienced and capable. Oxford's network is far more complicated than a typical University.
The underlying problem in this situation was that Google were so slow to respond to reports of malicious content.
The brief block on Google Docs has served as an excellent way to get attention and highlight a number of things that need consideration.