Look, I'm going to be frank with you, a lot of mainland Chinese think that non- Chinese humans are dumber than dirt and culturally inferior, so let's cut the nonsense here. But they won't ever say it to anyone's face, because that would be impolite.
When people disagreed with you, you were smart enough and mean enough to mock them.
My culture finds your attitude towards animals dishonorable, even if you eat animals that I don't, (I am not a vegetarian, by the way) you should not be making fun of or taunting Americans or other cultures that do not eat certain animals.