She knows it's Racist just like the millions of so called Americans know it's Racist and Trump's Campaign ran on a Racist/Bigoted platform. They voted for him anyway. No Shame, No Patriotism, Just Raw, Unfiltered HATE.
If displaying that flag is about heritage and not racism, then why are the other flags of South Carolina history not given the same reverence? If you honor only the flag that defended slavery, then slavery is the only history you cling to.