However, I think there are several considerations not taken when reaching his conclusion.
Proximity of military bases.
Distance to cities from which the hoards will come.
A defendable position.
I think the effort was a good one...I just don't agree with his/her conclusion.
Silence isn't always golden....sometimes it's yellow.
"The liberties of a people never were, nor ever will be, secure, when the transactions of their rulers may be concealed from them." - Patrick Henry