They've just gone over the line in my opinion, and again, there's a proper time for a pat down, there's a proper time for an advanced technology body search, but it has to be done with some thought.
"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.