Kangamangus
Sergeant
...and NPCs could be exiled while players could not. The player isn't bound by AI scripting. The player can use cheat codes. M&B has always been able to be canted in the player's favor. You can change difficulty levels. You can turn off death by battle. Every other M&B didn't force players to age and die.Everyone ages. NPC's age. The player not aging is terribly unfair and also unimmersive.
Why do you care what another player does with their single player experience? Honestly, all the people voting 'no' are only insisting that they don't want other players to be able to play in the 'sandbox' the way they want.