Many of these institutions need to be torn down to the foundation
Absolutely. America's rottenness grew exponentially when the Confederates weren't punished thoroughly. Set the precedent for all the open and allowed institutional anti-Blackness today.
The remnants of the Confederacy are still alive today in our current "Union" government today. In the alphabet agencies, education system, agriculture, real estate, you name it. They still soldiering and fighting against the Yanks and Freedmen.
Just like how Nazis are still around.