Thomas Sowell's dictum may be overly trenchant, but the point he is trying to make is cogent.
Also, I do not condone the insult expressed at time mark 02:25, but otherwise Rushdie's argument strikes me as sound.
Writes Richard Larsen:
America has a rich history as a melting pot of cultures, ethnicity, and religion. Those who have come here over the past couple hundred years have sought a better life through the freedoms and liberties assured by our Constitution and the free enterprise system that fosters their “pursuit of happiness.” They’ve brought their culture, customs, and language with them, but they became Americans: learned English, learned our customs and conventions, and became encultured into the American way. America is great in large part because of the diversity of our people, and the richness of our cultural elements brought here. But multiculturalism has become much more than that, and is now more destructive than ameliorative, to American culture.
Make sure to read the entire article.