I've always figured that Apple is lazy about fixing holes with jailbreaking their devices because it's the best way to unofficially support devs and development

I've always figured that Apple is lazy about fixing holes with jailbreaking their devices because it's the best way to unofficially support devs and development. For example, if you want to do any sort of real automated app black box testing for QA purposes, you really have jailbreak your phone.