Is this a fact? If so that goes beyond realism < gameplay. It's just silly. I also heard that city states cannot be destroyed. Again, is this true?
EDIT: source of my concern:
http://forums.2kgames.com/forums/showthread.php?t=83099
EDIT: source of my concern:
http://forums.2kgames.com/forums/showthread.php?t=83099