There are many quiet people that are waiting for the end of the world. They aren't evil really they are just tired and want all the little miseries of their humdrum mundane lives to end. Some have stopped waiting. They conspire quietly. They read the science journals. They send donations to certain groups. They don't know how the world will end, or even if they will survive their work, but they will not be unprepared. Unlike that poor fellow on the Twilight Zone they all have five extra pair of glasses.
This was something you needed to know.