That’s a modern interpretation. At the time it was written ‘militia’ meant every able bodied adult male, and ‘well regulated’ meant something like ‘suitably pr

That’s a modern interpretation. At the time it was written ‘militia’ meant every able bodied adult male, and ‘well regulated’ meant something like ‘suitably prepared’. There are debates about this, but a simple modern reading of some kind of rule based army is not likely to be what was meant.