This myth can be easily busted by this research and statistics that's been done in 2022
buly.kr/1GIjE89
You are all just paranoid fr
This is why Koreans are THE single most racist group of people in the world.
Nearly 80% of people of Chinese origin/Chinese in South Korea long term, are ethnic Korean Chinese, they speak Korean at home in China, they have all the cultural trappings of any Korean.
Yet, they are the target of extreme racism from South Koreans.
This doesn't happen to any other ethnic groups around the world. Only Koreans, if they do this to their blood relatives from other countries, imagine what they'll do to people of other racial groups.
Whites are somewhat excluded, as they worship white people.