It's a known phenomenon that only a subset of trained soldiers will actually be willing to take a life when asked to. Modern military selection for professional infantry selects for people who are essentially on the sociopath scale to some degree.
It's fascinating stuff. From memory I think it started to be studied after observations from the US civil war and WW1 where a surprising proportion of trained conscripts would fire over the heads of the enemy even when under fire themselves.
Rounding up your general population and training them to a high standard might not produce you an effective fighting force.
It's also not just a case of training.
It's a known phenomenon that only a subset of trained soldiers will actually be willing to take a life when asked to. Modern military selection for professional infantry selects for people who are essentially on the sociopath scale to some degree.
It's fascinating stuff. From memory I think it started to be studied after observations from the US civil war and WW1 where a surprising proportion of trained conscripts would fire over the heads of the enemy even when under fire themselves.
Rounding up your general population and training them to a high standard might not produce you an effective fighting force.