Citizens should run the latest iOS on their devices at all times.
The only exception is in cases where there are serious bugs or performance problems, in which case Apple shouldn't have released that version for that device anyway.
Deliberately running an old iOS version on your device makes no sense. It is a deviant behavior and likely to arouse suspicion of your other "activities" amongst your peers and the authorities.
Good one.
The people reacting to this as a serious post need to activate their sarcasm detector app.
I downgraded to 7.1.2 and am now about to perform other activities e.g. Listening to public radio while having a good w--k.