Using the same logic lets ban the sale of kitchen knifes, they can be used for stabbing people.
We've not even begun to ask the question of whether there are ethical problems of exposing children to unregulated AI and vice versa.
You should strive to respond to the strongest interpretation of what you read and not the weakest one.
All of us can be tempted into overly quick responses without truly reading what we're responding to.
The commenter did not necessarily adopt any of these positions themselves.
I agree that you were civil about it and no harm was done other than a bumpier than necessary comment thread.