I don't know about that being a great gift to the relatives. But maybe I'm just unusually intolerant to fake things.
Implementation details matter a lot in this case. I tend to see something like this in the guise of a more sophisticated version of a picture or a video of a deceased one, that one sometimes reviews trying to recall pleasant memories. But it surely won't have to fall into the uncanny valley.
If it's worth saying, but not worth its own post, then it goes here.
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