This won't be a popular opinion, and I'm okay with that. Because for now, we still have freedom of speech.
While I can understand why some people would strongly disagree, I'd like to respectfully offer a different perspective. My opinion that those monuments should be left alone isn't because I support the horrible things that have been done in our history. It's exactly the opposite.
Every country's history has a dark spot in it. More than one, if we're being honest. But the fact that we aren't still mired in those dark places means that we have made strides toward becoming better. Erasing history, though, is a dangerous path because it means that the truth becomes something malleable that has been created instead of recorded.
Rewriting history is positively Orwellian, and a terribly dangerous path.
After President Trump won the election, his opponents began snapping up copies of 1984 so quickly that Amazon sold out of the classic. At that point, I was hopeful that it meant people would find some common ground.