As most parents would say that, "Children would follow your example not what you say", since children will always look up to their parents as their role models, which is also why it is better to show them how to manage finance or show them how to be more financially practical in their way of spending than teaching them only the structure of investments or bitcoin. Indeed Bitcoin is some form of store value, but without financial awareness they will only spend money the way they were taught or maybe they will be influence on their peers or the whole generation thing.
Your argument is right about "Children follow examples not what is said". Parents are always the role models for their children.
But when what we are talking about here is Bitcoin, digital money that has no physical form.
So what we will model on Bitcoin activities will certainly not always be seen by them.
Examples that are too burdensome for their minds will not be able to follow, even they will continue to ask what we are doing.
Therefore, introducing a little about Bitcoin in a simple way is very necessary.
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Overall, teaching children about Bitcoin can be a valuable educational experience.
When they are old enough to know, then explaining everything about Bitcoin and how it is transacted will be very appropriate.
Financial awareness will grow over time while learning simple knowledge about bitcoin and cryptocurrency.