Reiji doesn't treat them as weapons... but after they got subjected to his boot camp, their omnicidal killbot mode when he winds them up is as good as any commando unit trained to be a weapon.
Also, Inazuma's reference "body" being his old adjutant in his unit... NNescio, your words are coming back to haunt.
...Lieutenant, if you're truly grateful to those girls, would you not consider aiding them?And that's exactly why I'm scouting you. Just between you and me, I'm on the side that doesn't believe the girls should be treated as weapons....So you knew about the secret behind my unit, sir.
