"Well regulated". It means, first of all, regulated. And well. If you want to argue that "not at all" constitutes the wellest form of regulation, okay. But that's not the same thing as unfettered.
Incidentally, you might mention to your grandchildren, since the best-case scenario is that they might finally be able to do something about this, that civil liability would eliminate machines for killing people. It seems damned sure that body counts won't.
By the way, can anyone tell me what th' fuck Clint Van Zandt has ever done? Aside from his uncanny prediction that the Unabomber would be a married suburbanite middle manager?