It is Islam. There is only one other culture that wants all other cultures dead. If there is, let's add it to the Islam list.
Other than Islam, other cultures are fine. There food is tasty.
But Islam isn't another culture. It is a culture killer.
"Multiculturalism" and "diversity" are bywords used in leftist elite mantras. You want to live amid "multiculturalism"? Send your application to the United Nations.
BTW, America should be VERY proud of its unsung Amer-Japanese citizens.