That might actually be interesting if there were enough content, something of the "Beta" level AI's in Alastair Reynolds' revelation space books.
But that isn't what I've seen done when people said they did that. Instead they just told ChatGPT a bit about the person and asked it to playact. The result was nothing like the person-- just the same pathetic ChatGPT persona, but in their confusion, grief, and vulnerability they thought it was a recreation of the deceased person.
A particularly shocking and public example is the Jim Acosta interview of the simulacra of a parkland shooting victim.
But that isn't what I've seen done when people said they did that. Instead they just told ChatGPT a bit about the person and asked it to playact. The result was nothing like the person-- just the same pathetic ChatGPT persona, but in their confusion, grief, and vulnerability they thought it was a recreation of the deceased person.
A particularly shocking and public example is the Jim Acosta interview of the simulacra of a parkland shooting victim.