Apple does not kill jailbreak in updates for bugs, it's to kill jailbreaks. Apple wants you to use the device the way they want it. They make less money if you jailbreak it because you can side load apps and other things apple doesn't want you to do.
And my Samsung Galaxy Note keeps track of how many times the phone has been flashed and rooted. Which is far and away worse than Apple releasing updates that
fix exploits. Regardless how you feel about JB'ing, it's made possible due to a hole in the system. Maybe Apple also releases these updates to keep all the people who make apps for the store happy? If I was a programmer I would damn sure be happy about that. Sideloading is a big problem, a good number of people I've ran into who JB did it so they could get free apps. Yeah there are exceptions, but be realistic most didn't so they could change the wallpaper.
Meanwhile Samsung won't give me a new phone if mine breaks because they can see I rooted it. But I'm sure none of the Android people would have any problem with that right? And it's not Google's fault here, so they're off the hook for letting the manafacturer of Android devices do whatever they fuck they want.
"Open source! NO WALLS! FREEDOM!" - Google
don't make me laugh.