Emergency preparedness is not a hobby, and it’s not a seasonal activity, but a lifestyle that we choose to have and that will cost you money to fulfill it.
While the devastation of a city is bad, the larger asteroids (over 2 km in diameter) would have a worldwide impact. But what sort of impact would they have?
A prudent person saves some money, owns a first aid kit and a fire extinguisher, procures the means to defend himself and his loved ones and writes a will.
I would hate to see our survival community fall prey to not being prepared for the next disaster, because they have focused on things they can’t change.