I would attribute this to a lingering xenophobia of an old culture. I personally wish this aspect amongst Asian societies would dissipate. We can learn much from the West.
Yes, learn from the West murders and assaults against people of not only different ethnicites and races/religions but from different regions within the same tiny country while proclaiming yourself to be liberal and accepting.
Then do it! If you have the guts to talk the talk, then walk the talk!
Use violence against your Chinese minority, you filthy dog, and see what happens to your country.