Why do you think many racists are so scared to admit they are racist?

For example many racists are scared to admit the reason they feel compassion for Ukrianian refugees but not the Syrian refugees from years ago fleeing war and not the Central American and Haitian refugees is because of skin color. It is is laughable how they try to make excuses just cause they don't want to admit it is cause of color. They say the Ukrianians are fleeing war. So were the Syrians. And they use the illegal excuse with the other refugees yet many of them waited legally for asylum at the border and still got crapped. Racists don't have a spine to admit their racism.
Why do you think many racists are so scared to admit they are racist?
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