The best situation of all, and one frequently utilized, is for jails and prisons to allow volunteer ministers of all faiths to enter prisons and offer their services to the inmates who want them. That way, the religious needs of inmates are met but without government funds being spent.
One of the problems that the marijuana reform movement consistently faces is that everyone wants to talk about what marijuana does, but no one ever wants to look at what marijuana prohibition does. Marijuana never kicks down your door in the middle of the night. Marijuana never locks up sick and dying people, does not suppress medical research, does not peek in bedroom windows.
Wicked deeds are generally done, even with impunity, for the mere desire of occupation.
To my mind, to kill in war is not a whit better than to commit ordinary murder.