The short answer to this is 911 . While , as other comments mentioned , America has been resistant to immigrants in the past , the country became immensely more divisive , and fearbased politics went into overdrive after 911 . And those same fears are still being played out today . You ' ll note that it ' s not really keepoutyouallnonAmericans . It ' s k e e p o u t youspecificgroupsofpeople the ones we ' re scared of . <| sep |> I ' m laughting that these people are getting whale ' s money . <| sep |> The cat looks like it ' s smirking . <| sep |> Oh , you might be right there actually . I already had shards and didn ' t work out whether or not I got given enough to unlock him without the ones I already had , so just ignore me . <| sep |> now I want chips .