alt Hacker NewsRunning remote updates in general was a serious mistake. Other manufacturers are no better and give you all kinds of crap for their income streams at the expense of your convenience whilst claiming the opposite.
The last time I saw an update that just fixed security bugs and improved performance was... never.
I took this seriously and thought back to the most recent actually-useful-bugfixes-and-security-improvements release that I can remember. OSX Snow Leopard perhaps?