The many spices, teas, and tinctures you can make from your herbs will serve you even during winter. And the abundance of vegetables can last you for years.
The survival needs we encounter on a day-to-day basis are considerably different than "The End Of The World As We Know It" events we tend to prepare for.
Our embrace and adoption of technology has helped us maintain our lead as the richest nation on the planet, but it has also given our great nation a fatal vulnerability.