Why do conservatives think blaming democrats for creating the KKK will stop people accusing them of racism?

Anonymous

Every time someone blames republicans for being racist, there is always someone that says, "well democrats started the KKK" and regardless if it's with immigration or anti-black racism, that's always brought up. Mentioning democrats will not derail or absolve you of racism.

Why do conservatives think blaming democrats for creating the KKK will stop people accusing them of racism?
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