Why are so many US conservatives in this day and age still against racial mixing? They won't say it in public, but they are still against the mixing between Blacks and whites? Why?

Read also:

• What would happen if the US government told the British government in no uncertain terms all RAF bases with USAF personnel now must follow the Constitution and us law, and if the UK tried to defy this, the US military would directly attack the UK?
• How do scientists behave?
• Real-World GLP-1 Weight-Loss Results Differ From Trials - Medscape
• Should India conduct another air strike to attack Pakistan over the Pahalgam attack?
• Why do so many people suddenly think it's acceptable to continue to live with their parents into adulthood?
• My cantankerous beagle is very badly behaved at the dog park and always starts barking at the other dogs. Would pepper spray be an effective method to correct his inappropriate behavior?
• What are the signs that a guy wants to marry you but is afraid of commitment or does not want to get married at all?
• Why do people say "tall, dark, and handsome" when they actually mean "tall, white, and handsome"?
• What are you wearing under your clothes today?
• I vibrated my dogs shock collar while it was eating my other dog’s food and now it won’t eat. How do I fix this problem?
• How do great movie moments influence how people handle real-life moral dilemmas?
• How can I be okay with being ugly? What is the bright side?
• According to Amy Schumer, John Cena was actually inside of her during the TrainWreck love scene. I thought that was illegal in Hollywood?
• Webb telescope images frigid exoplanet in strange orbit - Phys.org