Originally Posted by the_13th_redneck
It all depends.
Truth is that a lot of these rules will run into problems because you will run into all kinds of circumstances that would mean that machine gunning the enemy was the best viable option.
If you send them back, they will be able to rearm and bring their combat experience back onto the battlefield.
If you're a platoon and you've got two companies that are apparently surrendering and you've got no backup and you have a mission to complete, what do you do? What if the enemy decides to change its mind? You have two hours to an objective, you're short on time, the terrain is bad and you've now got over 200 potential prisoners to deal with.
It's just never simple.
13th I'm not sure who you are answering, if it is my post then that is one of the points I was trying to make. There can be contradictions between the expected rules of engagement/war and the ultimate objective of war whether you judge the objective either from a utilitarian (best net outcome for everyone) or pure selfish (for your side to win at all costs) point of view.