To truly save them, they would likely need to have many or all of their memories erased.
This is question-begging. Sure, if my experiences and memories are a net negative, such that I and my surroundings are improved by wiping all of that away and starting fresh, then there’s no particular reason to preserve those experiences and memories. Of course.
This is question-begging. Sure, if my experiences and memories are a net negative, such that I and my surroundings are improved by wiping all of that away and starting fresh, then there’s no particular reason to preserve those experiences and memories. Of course.
OTOH, if they’re a net positive, then there is.