Your argument comes down to "might makes right." Following your logic, any group that can overthrow the government and impose its view on what this Republic should be on the rest of us should go ahead and do so.
Hence, the colonist who overthrew the British government are called "freedom fighters," while the people who foulght for the Confederacy are called "rebels."
If the Confederate states had won the civil war, our history books would be filled with stories of a second generation of "freedom fighters" who were no different than their colonial predecessors.
"In the beginning of a change the patriot is a scarce man, and brave, and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot." --- Mark Twain