that's an idea re-spawning but that would take away from the system in other words the game is all about freedom and challenge but also about how freedom can create interesting results and how you have to deal with that freedom if you killed an NPC you have to live with that it makes it a tough desicsion that YOU have to make YOU have to live with but if killing them and after a while they respawn that just breaks an imersion and it becomes easier to kill everybody instead of adding this burden on the player
I don't think Norman Barrows was saying that you should respawn the specific character that died but have someone take his place. It'd make sense that if you were to kill one crime boss that one of his lieutenants would take his place? Or alternatively some other individual that sees a power vacuum and wants to take advantage of the opportunity. You still have to live with the decision. It might be that the replacement is going to really really want to come after you. Or perhaps he simply has some other new job that center on his own interests to help solidify his new position.
If this still isn't what you're thinking of then what exactly are the "consequences" that you're wanting the player to live with? If you don't have something else in mind it just seems as though ultimately the player is just decreasing the number of missions he's going to have available after he's killed everybody.
actually what you said about other people taking place of dead people is interesting it will create a more interesting system in the world which is always evolving based on what you are doing it might be like as you said you killed an important NPC and now his friend takes his place trying to find you and take you out so now you have a new challenge or it a "consequences" of your actions and you have to live it.
the idea is still coming to live and that's why I made this topic to begin with it's a part of the game and I want to see if it's good and worth keeping or not so yeah thanks for replying you made a lot of interesting points :D