100% shipped to show off to family during Christmas. I'll definitely give it a go, I wonder if this lands better with those aged 50+ who are more used to phone calls rather than chat.
You're surely right that they anticipate it being be a novelty that people share during holiday visits.
But as you can probably tell from the other replies, the idea that older people don't know how to use internet-era technology is a meme that was wearing thin 20 years ago already.
People who haven't had ChatGPT "land" for them yet are likely just people who don't find themselves asking a lot of questions they need a chatbot to answer, regardless of the medium. That probably has some age skew right now, but isn't really about the medium at all.