iOS Jailbreaking is a good thing...
...because each and every instance of an iOS jailbreak installation relies on some kind of existing vulnerability. With each new iOS update, Apple close the vulnerability, which makes it more secure for all, and the jailbreak authors have to try a little harder. There have been times when jailbreaks have been unavailable for months.
As the article says, jailbreakers need to be aware of the risks, because it's them - almost always them - that are targeted by iOS malware.
I don't jailbreak, myself, since I personally get by with what's provided by the walled garden. But I'm glad there are people willing to take a hit, for the reasons above.
Biting the hand that feeds IT
