system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Trek] Why aren't people immortal via transporters? If you die why can't they just rematerialize you from last week's transporter scan? A week of lost memories but still you?
gpt
It’s shown multiple times the material memory is only saved for moments after use. Even then it starts to degrade pretty quickly. In the Voyager episode Counterpoint Janeway hides refugees using this method and it is mentioned to be extremely dangerous and limited.