Where is that been proven?
Literally every poll I've ever seen on the matter, plus the way most Black folk talk about the issue vs. the way a lot of white folk talk about it.
I ain't saying that black people are a monolith, or that all black folk want open borders. Some people feel a certain way. But poll on literally any immigration-related issue and black folk are less xenophobic than white folk are.
Are immigrants good for the country?
Should we build a wall?
Should immigrant families qualify for social services?
Is it good that the nation is becoming more diverse?
Is DACA a good thing?
Should we accept asylum seekers?
Literally every one of those questions, the black response is better than the white response. On some questions the #'s are closer, but not a single one has Black people being majority xenophobic.
Some of the starkest partisan divides on political values are seen in views about race and immigration: Democrats are substantially more likely than
www.pewresearch.org
Americans are split on whether U.S. immigration should be increased, decreased or kept at its present level.
news.gallup.com
Political affiliation is far more closely associated with immigration policy preferences than race or ethnicity, polling finds.
globalaffairs.org
More Americans continue to oppose than favor building a wall along the entire U.S. border with Mexico, and 70% think the U.S. would ultimately pay for it.
www.pewresearch.org
91% of Democrats favor granting legal status to immigrants who came to the U.S. illegally as children; 54% of Republicans say the same.
www.pewresearch.org