Most of us have thought about how we would handle various types of scenarios that could signal the end of the world. There are plenty of movies on the subject, psychological papers, and even survivalists that are part of reality TV shows. Perhaps you have had dreams about being one of the few left and what you would do in order to survive.
It doesn’t matter if you think that the chances of a zombie apocalypse are next to zero. There are plenty of other types of scenarios that can occur.
Imagine there may be a meteor in space that creates serious damages here on Earth. Even though nuclear weapons seem to be more controlled than in the 80’s, that doesn’t mean the risk of nuclear war is off the table. Russia and China have made plenty threats of nuclear war over sanctions and trade wars and territory disputes in 2018. So being ready is the prudent thing to do.