This reduces to whether you are willing to be tortured to save the world from an unfriendly AI.
Even if the torture of a trillion copies of you outweighs the death of humanity, it is not outweighed by a trillion choices to go through it to save humanity.
To the extent that your copies are a moral burden, they also get a vote.
This reduces to whether you are willing to be tortured to save the world from an unfriendly AI.
Even if the torture of a trillion copies of you outweighs the death of humanity, it is not outweighed by a trillion choices to go through it to save humanity.
To the extent that your copies are a moral burden, they also get a vote.