Earlier quoted context omitted.
What if one file was written by a malicious program?
You know =what would be cool: If all apps had to register their pref config files into a single dir and that would be tracked and snapshotted - and then you could just have ALL apps look to the same dir for where their configs come from and you could have a single repo for ALL apps on your or ANY system - and then you could walk up to a terminal and plug in your "license key" which said what apps you had access to an…
What reasons did they name?