They are angry at the Confederate flag for the wrong reasons, is what I am saying.
My great-grandfather was supposedly a cavalry officer in the South, although he left there after the end of the war and went back to England (he refused to surrender). He wouldn’t have given a rip about slavery; he was actually British but was living in Savannah at the beginning of the war and signed up to defend his then home. The understanding of my family has always been that my great-grandfather felt Lincoln abused his power and that was the real reason for the start of the war and Lincoln was responsible for what happened thereafter. He couldn’t stand Lincoln, and someone talking about Lincoln, even many years later, was enough to set him off.