[TeMPOraL]

> Give a user a choice though, and they dismiss the update notification because it's naggy and annoying and usually involves restarting your app or OS (I'm mainly thinking of operating systems here).

...or because it doesn't justify its right to be there. As a user, the updates mean to me a high probability of getting more bloated, less usable app with important functionality moved or missing. The security implications are abstract. The usability impact is real.