I'm guessing conversion rates will be fairly low.
And once you participate once, the surprise will definitely be killed because at that point it'll be clear someone is gifting to you what you just told the computer.
I think there is little to none that can be done, unless a lot of people use it and then it becomes somewhat annoying because you’d have to answer those things all the time.
I think the best application would be Secret Santa. It’s a cool idea though and the app is really pretty.
The idea of some AI messaging my friends to anonymously ask them what they want for christmas is gross. This is effectively a more complicated Amazon Wishlist for each person.