The fallacy of Original Position Fallacy.
Original Position is a concept created by John Rawls, saying that if you were to be born randomly in one place, you'd want to avoid risking in a bad area, and as such, you would want to make sure every area is good. That if you lost your original position in life, you would want to make sure that you don't get hurt. The problem is that this is appeal to hypocrisy and doesn't concern itself with any actual ethical principle. It's just an extension used for a pre-existing socialist belief that it relies on entirely. There's also TvTropes' attempts at expanding it, that I will address here. The kinds of people (especially Americans) who think living in a post-apocalyptic world would be "cool" tend to use this fallacy. They assume that in a world with no law, order, or government, they could do whatever they want and would thrive. But they fail to realize that the whole "do whatever you want" thing wouldn't just apply to themselves, it woul...