And this kind of thinking is how we end up with a society shown in the move Idiocracy. While you and your loved ones might survive at the cost of other more considerate people BUT the human race will become slightly dumber.
I can’t really understand where you’re coming from. Self preservation is at the absolute core of us all. You can’t honestly expect the average human to put the lives of unknown strangers before the lives of their own, as you say, loved ones.