Some of the scenarios people are preparing themselves for aren't once in a hundred year events, they are The Big One - and I mean beyond the Great Depression. Statistically it is possible, but given the chances...well it's not a trade I'd be interested in.
You might as well position yourself to profit from the arrival of ET. Great if ET does show up, but given the chances of it, I wouldn't be holding my breath...
Gold right now is just protection from the devaluation of cash. Nothing more.