Our constitutional rights come from the Constitution, which is "ordained and established" by "We the People of the United States." If the People decide to curtail or end a right, they can do so--even if you and I might dissent. If you cite long-standing Common Law rights per 9A, they can indeed go Article 5 and use the Constitution to override them. See TDF 82. Yes, they can do that.
So when a movement for gun control becomes overwhelming, sometimes it's best to deal and hold onto a baseline. Otherwise, they might eliminate far more of the right than is already in danger, or even repeal 2A entirely. TDF 25 and TDF 49 And again, yes, they can do that.
Just consider the difference in libertarian reaction is gun control efforts if it was something they actually cared about in terms of substance: TDF 217.
Firepower is more important than principle. Because without firepower, principle has no effect. But firepower always has effect, with or without principle.
Below is seventeen seconds illustrating the total self-destruction of purism and "no-compromise" when faced with an authority that doesn't really have to listen.
TDF INDEX: Cats, Guns, and National Security: THE DAILY FUDD index. https://catsgunsandnationalsecurity.blogspot.com/2021/03/the-daily-fudd-index.html
