This and 50-60+ years of being able to take video at face value.
Add to that the fact that a lot of them are lonely and probably have been for a very long time.
We already knew the elderly were particularly vulnerable to scams. AI just turbo charges the same scams we've been seeing for awhile. It's catfishing but taken to a whole new level and the elderly are already a vulnerable target.
It's a lot easier for us young people to learn new media literacy and accept that things are changing.
This is not an endorsement of the behavior. It's pointing out that we already pretty much knew this was going to be a thing. This isn't much different than your grandma trying to send money to some scammers who called her about an overdue bill or late taxes.