Call the bluff.
Call the bluff.
Furthermore, the US currently is a lot more xenophobic and less accepting of foreigners than Europe is. I'd even go as far as say that in my experience Americans in general tend to be more racist than Europeans as well. And let's not forget USA's far from spotless historical record of treatment of minorities and other groups deemed to be 'different'.
Just like the current xenophobic attitudes among some in the US is a choice and was a choice in the past. None of this is excusable, none of it is inevitable. And I have little patience for "realists" who carry water for the idea that xenophobia is inevitable and unchangeable.
And not that it matters to the discussion of whether it's inevitable or not, but Americans are more welcoming of immigrants: https://www.nytimes.com/2015/12/09/business/international/fo... and have lower demonstrated racism than most of Europe: https://www.washingtonpost.com/news/worldviews/wp/2013/05/15...
And forget the anecdotal data. The bulk of Americans interact with folks from all around the world, daily, with little issue. America's a big place, and its easy to cherry-pick news reports to get any impression you like.
Here's some data: racism by demonstrated tolerance. America is at the bottom of the list:
https://www.washingtonpost.com/news/worldviews/wp/2013/05/15...
https://www.dhs.gov/immigration-statistics/yearbook/2017/tab...
Secondly, these new citizens are truly multicultural, as they literally come from every part of the globe - opposed to the refugees coming into the EU who are mostly from a middle eastern cultural origin. Because of this new immigrants coming into the US rarely have the luxury of arriving in a group of people similar to them so they are pretty much forced to assimilate.
Lastly, the geographical position of the US and their immigration policies allow them to be able to sift through the millions of applicants and pick the cream of the crop. Winning the dv lottery is not unconditional - it's only the first step in a series of screenings and checks one needs to undergo before he's even approved to become an american citizen. This is the polar opposite of the migrant situation in Europe where millions of people are simply passing through county borders without barely any supervision or control.
This is making excuses for a cultural choice.