I take an opposing viewpoint to the "who gives a toss" brigade. I tend to spend quite a bit of time over the water on ETOPS, so it's always interesting to hear why a modern ER jet has to divert. So it could be a medical emergency or weather or something "non technical", but if it had a mechanical problem it is always something to add to the "what if it happened to me" file.
Don't know about you guys, but I always try to learn from what happens to others, and find those sorts of discussions a bit more interesting than which of the Antipodean countries has more brains, prettier sheep or the better cricket team.