That is your opinion. Here is the fact from the Constitution:
We, the people of the Confederate States, each State acting in its sovereign and independent character, in order to form a permanent federal government, establish justice, insure domestic tranquillity, and secure the blessings of liberty to ourselves and our posterity invoking the favor and guidance of Almighty God do ordain and establish this Constitution for the Confederate States of America.
they seemed to be opposed to granting liberty to the majority of the population of South Carolina. In fact, the effort to deny liberty to the the black population, then and in the future, was the reason for the brief pretense to the confederate states.