Rudekid,if you substitute "aircraft" with,"cinema","Pub","Police HQ"in this scenario what is the first thing the public need to be doing??
(Clue...Get out.)
Your post perfectly illustrates how rational thought and common sense go out the window as soon as the words aviation and security are uttered in the same breath these days.
Shoot to kill marksmen,risk analysis,need to know,security "experts"
Bollox! get out dummy.