I guess I have a hard time seeing why anyone would want to survive a full on TEOTWAWKI situation.
If society collapses and we end up living in some sort of uncivilized, broken down, Mad Max like world I fail to see the point of it.
I have a place to be in the next life that is going to make this place at its best look like shit so I really don't see the point in trying to stick around here after it all goes to hell.
And for you atheists ... if there is no existence beyond this life, then I really don't see any purpose for y'all fighting so hard to survive either ... seems to me the only folk with any real good reason to make sure they survive are you reincarnation folk who would be stuck coming back here again anyway if you died in the mess (wow that would suck).