You can argue about what was fer supper yesterday but that don’t make tuna casserole into brisket and baked taters. The states that became the Confederacy started the war, and the war was about slavery, or states rights to do slavery if you prefer the obtuse phrasing.
When a piece of content that doesn’t allow downvotes, like a tweet, has lots more reposts than it does likes, the “ratio” is seen as proof the opinion was disagreed with, proportionally to the “ratio” itself.