The point of the second amendment was, in no small part, so that the central government wouldn't deny the states the means to commit genocide against the indigenous population on their own, because the states didn't trust he central government to be sufficiently enthusiastic about it. That was the major security concern alluded to by the “necessary to the security of a free state” bit.
What kind of revisionist history is this?
The feds were telling the states "screw off, we do the negotiating" before the ink was even dry on that. Steamrolling the natives was never really a seriously contested job or a point of political contention, the feds were always gonna be the ones to do it.
They are neither a reliable summary of the motivations for the provisions they support nor any kind of argument for the provisions in the Bill of Rights.
The Bill of Rights was specifically designed to abrogate any possibility of infringement of those enumerated rights by an out of control State.