The original body is just a body.Yes, so.. which body do you wake up in? I can't continue this discussion with you until I know if we even disagree or not.
Which body(ies) do you wake up in?
Exactly. And if that original (which is you) is killed, you are dead. No matter how many perfect replicas of you are running around afterwards.
In our drive for self preservation we should ensure that a copy of us lives, never mind where the pieces come from. Only the arrangement is important. Only our identity, and everything that makes us who we are.