[dr_lew]

But surely this is just a spur to make actual preparations before the event.

[Kartographer]

Take the Twin Towers for example many people stayed in place instead of getting out because they thought that the ‘authorities’ would be along to save them and/or to lead them out. Many owe their lives to the fact that they listen to their in voice and realized that it was not a normal emergency and that they need despite being told to stay in place to get the hell out.