You said every racist is a Republican. The Democrats support DEI, which is racist. The Democrats created the KKK, which is racist. The Democrats created and fought for segregation, which is racist. And the Democrats fought in favor of slavery, which while not inherently racist (all groups of people were both perpetrators and victims of the practice, and the European settlers had simply bought their African slaves from African markets because it was simply cheaper), is still despicable.
On every single one of these things, the Republicans fought against them. So, if the Republicans kept fighting the racism of the Democrats to this day, how is it that you think racism is purely a Republican problem?