Look at the long and ugly history of the treatment of Chinese and Black people in Mexico some time. Not pretty.
That being said, every society has its biases in favor of their own and against others. No sense or honesty in even trying to deny it.
But the task at hand should be to try to minimize it as much as possible.
Oh, and here is a news flash. If this pinche pendejo is so much at ease showing his bigotry against, odds are exactly zero that he is not equally bigoted against Black people, women, and Jews. Take that to the bank. Shame on his countrymen for not immediately squashing him flat like a bug for making their country look so bad.