Yeah, that sentence stood out to me too. Kind of like starting a philosophical debate with the statement "Obviously God exists, so I will now proceed with the o

Yeah, that sentence stood out to me too. Kind of like starting a philosophical debate with the statement "Obviously God exists, so I will now proceed with the other parts of my argument". Definitely not as axiomatic as the author assumes. And even if our current economy truly can't flourish without immigrants and trade, there's still a viable argument to be made that building an economy on immigrants and trade was a bad idea and we should try to undo some of that.