depends on who it is.
The USA president equals huge pain in the bum where ever they go.
Various others, ranges from not knowing that anything is going on to a few men in black kicking about and seals appearing over man hole covers.
Having a sterile no movements airport and only one aircraft moving which contains the asset seems particularly stupid to me as any one with a manpad has no problem at all determining which aircraft has the asset in it.
But as we both know its more to do with face than anything sensible.