Because our children do not think as these people do. Like anyone with a losing argument, they instantly attempt to belittle their opponents by claiming that they themselves are intellectually "superior."
To paraphrase a commonly observed and commented upon view, it never ceases to amaze me how little "free" thought there is among "free" thinkers. They almost all march entirely in lockstep with one another.
In the Religion forum, on a thread titled Atheist child indoctrination, “child abuse,” and “brain washing”, svcw wrote:
So why can’t children of faith be intellectually curious children?
They can be. I was such a child. I then later became an atheist.