Most children do not know what a "thought-experiment" is. I actually feel very sorry for you and other children who never believed.
Anyway, I feel grateful to my parents that they managed to feed imagination without deceit, and I also appreciated that gifts came from my parents, some requested, some unbidden and all with love.
Your reply even shows you don't understand the magic of Christmas that some children felt.
> I feel grateful to my parents that they managed to feed imagination without deceit
You're framing this deceit as a bad thing. What do you think about parents pretending a child's spoon is an airplane?