Can't we just blame the Hackers AND Sony? Its easier that way.
And hell, even if Sony had the very bestest security in the world I'd still blame them and be just as upset at allowing an intrusion on this scale to happen, along with taking six days to get a real word out. Even if they did everything right they need to accept full responsibility, fall on their sword, fix the problems, improve their systems, and then take pains to convince us why we should trust their security moving forward.
As for the intruders? Cut off their balls.
That's the long and short of it.