Whether we should be trying to regulate arms is another issue.
I am arguing that the new laws being proposed (e.g serializing other firearms components, ammo serialization, assault weapons bans, higher gun-owner standards) have absolutely no bearing on an entirely new source of firearms. Many Dem-controlled states have passed "ghost gun" regulation, but there is no real enforcement mechanism and it's mostly an additional charge to tack on after an actual crime has been committed.
You can see states like CA trying to go after 3D printers, but I suspect this will fail. There is no software out there that can realistically determine whether a part is a firearm component, other than dumb hashes of known parts. 3DP is a general tool, it is like trying to ban milling machines, files, or basic handtools.
I am arguing there will still be a significant number mass shootings/casualty events, political assassinations using a firearm, etc, and that the only way to effectively prevent them is to roll back most of the bill of rights.
The gun is a very old piece of technology and you do not need a sophisticated one to kill people effectively. Shinzo Abe was assassinated with a gun that could be described as primitive at best. Mangione used a 3dp firearm to kill the United Health CEO. Rebels in Myanmar are fighting the military junta with 3d printed small arms.
I am fundamentally arguing that the capacity of any one person has dramatically (100,000x) increased since the bill of rights was written, for better and for worse.
To be clear, I fully support the bill of rights and want to see it expanded. However, I reject the idea that simply eliminating the 2nd amendment and removing guns from civilian ownership can fix the underlying issues. I think you will see "casual" shootings and hopefully even mass shootings go down, but they will not go away and I expect they will still be higher than anywhere else in the world.