How many of us really have any meaningful control whatsoever over any Existential Risks?

Anyone who has donated to SIAI, plus others.

Oh, sure, everyone thinks two plus two is four, everyone says two plus two is four, and in the mere mundane drudgery of everyday life everyone behaves as if two plus two is four, but what does two plus two really, ultimately equal? As near as I can figure, four. It’s still four even if I intone the question in a solemn, portentous tone of voice.

The Simple Truth