Wow, I've been reading this and thinking we really are completely different cultures or at the least very different countries. No one thinks like this here.
I know peoiple will think that's probably short sighted of us but we manage.
I have to agree, I'm an Australian living in MA, US for 2 years. I've had more culture shock moving here than time spent in Asian countries. We just don't think that way, might grab some tinned food, and have an exit plan, about it.
Our family is well spread, rural, urban etc and some live in what would be considered dangerous territory, they would have exit plans for an emergency but that would be about it, maybe strategic hoses for fires but not much more.