Would you prefer to keep them outside your borders or let them in if push comes to shove, and poor countries can't adapt? Or is suddenly "they are poor but hap

Would you prefer to keep them outside your borders or let them in if push comes to shove, and poor countries can't adapt? Or is suddenly "they are poor but happy" an acceptable imagined outcome for you, despite your belief that fossil fuels will keep ushering this era of prosperity so using them is morally the right choice?