Those updaters do work great, probably because (at least on Windows) they circumvent elevation by not requiring it. The problem is that, if every app decides t

Those updaters do work great, probably because (at least on Windows) they circumvent elevation by not requiring it. The problem is that, if every app decides to use its own updater, there's a good chance that your internet line could get saturated when everything decides to update at once (especially when this awful PDF reader is 180MB). A system-wide updater avoids this issue.