The last thing on earth I'd want is for any aspect of my dead relatives to be reanimated through technology. No. That's absolutely fucking horrific to consider. I don't need a hallucinating AI pretending to be my dead wife. That's literally shambolic.
There is vastly more potential for that to be abused by others than used in any emotionally or socially constructive way.
I would also find that very creepy and it would probably keep you from moving on.
I think there is a big difference between remembering what happened by looking at a photo or hearing an audio recording and having newly generated "content" from a deceased loved one.
There is vastly more potential for that to be abused by others than used in any emotionally or socially constructive way.