Death affects other people, so why would you kill yourself or another? If you had the choice of pushing a button that would kill a total stranger that you neve

Death affects other people, so why would you kill yourself or another? If you had the choice of pushing a button that would kill a total stranger that you never met, would you do it? If not, you can use the same argument for your friends. Sure they may be replaced by identical copies, but they will still experience feelings, although they are technically not your old friends