>>106883785
Fake memories don't leave real bodies behind.
If anything it could more plausible that the "real" Motoko died as a child and they just made a full copy of the brain to transfer to a fully cybernetic body and it just happened to function.
She might not actually be a real person to begin with. What do you think the "Ghost" in Ghost in the Shell refers to?
Enough memories put together forms a person.