This argument has no weight. First, a lot of people in the US are in favor of multi-cultural society: from St Patrick's (Irish) to Cinco de Mayo (Mexican), ... If anything, the US is a multi-cultural nation from the beginning: German was almost the official language of the US. Railroads would not have been built without the Chinese. NY pizza wouldn't exist without the Italians. And more. We need some laws obviously, but let's stop pretending the US is a single culture