In this case, it was.
In this case it was being a Democrat that made one willing to enslave.
A cartoonishly simple-minded explanation defines a re-write of history. It is easily accepted by the lazy and illiterate.
There are actually some in the north that embrace this, not because they are simple minded, but because they feel morally superior by proxy.
No. A willingness to enslave is not determined by a compass point.