I recently saw an ad for anti-virus for Android. It shocked me a little bit when I realized that Android users are stuck in the same malware nightmare world that PC users are. With my iPhone I had forgotten about such things. When I see an app I like I buy it. I don't worry about it possibly destroying my telephone.
Siri will go down in history as the beginning of a disruptive computer interface change on par with the creation of the GUI. It's too bad that Majel Barrett-Roddenberry wasn't alive to provide Siri's voice.
Every person who ever did anything revolutionary (Lindbergh, Wright Brothers, Bell, Ford, Edison, Einstein, Darwin, Newton, etc) would find that their ideas/accomplishments arrived on the scene eventually with or without them. Your logic dismisses everyone who has ever done anything important.