The Joke is her Delusion , (which is propably also your Delusion) . She is Assuming that she is traveling from the most Multicultural place into a homogenes white (therefor of course Racist) country. And its actually the other way around. You Americans never grasp the extend of your racist reactionary Island wierdness and indoctrination , it is very funny for the rest of the World.

Just one example --> https://en.wikipedia.org/wiki/State_Socialism_(Germany) <--